sábado, 15 de noviembre de 2025

AAPL: BETWEEN FUNDAMENTAL QUALITY AND TECHNICAL CAUTION. SHORT-TERM ECONOMETRIC AND RISK ANALYSIS.

 

Apple stock is often considered a quality investment due to its dominant market position, product ecosystem, and strong financial health. However, it is not without risks and requires a nuanced understanding.

Apple has one of the most valuable brands and an incredibly loyal customer base. This economic "moat" allows for premium pricing and ensures recurring revenue streams.

The company has transitioned from primarily a hardware vendor to a services powerhouse (App Store, Apple Music, iCloud, Apple Pay, etc.). This segment offers higher profit margins and a more predictable revenue stream that mitigates the seasonality of hardware sales.

Apple is a cash-generating machine. Since reintroducing dividends in 2012, Apple has been a consistent payer, regularly increasing them. More importantly, its share buyback program is one of the largest in the world, which reduces the number of shares outstanding and helps boost earnings per share (EPS).

The company's massive cash reserves provide flexibility for future investments, R&D, and acquisitions.

Apple continues to invest heavily in R&D. Bets on areas such as artificial intelligence and new products (like its mixed/virtual reality devices) represent potential catalysts for future growth, though they carry the risk of initial market adoption.

Despite the growth of Services, the iPhone remains the primary source of revenue. Smartphone market saturation and longer upgrade cycles could impact hardware sales in the future.

A significant portion of Apple's manufacturing is concentrated in China, exposing the company to geopolitical risks, supply chain disruptions, and fluctuations in Chinese market demand.

The App Store's dominant position and other business practices are under increasing regulatory scrutiny in the US and Europe, which could force Apple to change its Services business model.

Apple is not a stock that will make you a millionaire overnight, but rather a cornerstone of a long-term investment portfolio.

The focus should be on expanding the Services segment and the success of the next generation of products (such as AI and virtual reality). Single-digit revenue growth with EPS growth driven by repurchases is a likely base case scenario. Apple offers stability due to its brand, balance sheet, and capital management (dividends and share buybacks). It's a good safe haven during periods of market volatility, although its current high valuation may be a factor to consider.

Investing in Apple means investing in a company that defines its own category, with exceptional capital management and a virtually unmatched market position. Future growth will depend largely on its ability to further monetize its services ecosystem and to successfully innovate beyond the iPhone.

This study presents a comprehensive analysis of AAPL stock from January 4, 2010, to November 13, 2025. The price chart shows extraordinary growth over the analyzed period, rising from an initial price of $7.64 to a final price of $272.95.

The total reported return is 3472.64%. This exceptionally high return indicates massive compound growth of the long-term investment. The figure in the table, 1.90%, is the monthly compound growth rate (similar to CAGR, but monthly). A consistent monthly return of nearly 2% is indicative of a high-growth asset.

The descriptive statistics table reveals crucial characteristics of AAPL's price distribution during the period.

The mean (78.29), median (40.5), and mode (12.38) have very distinct values. This large difference, along with a positive skewness of 0.8964, indicates a strong asymmetry in the price distribution.

Positive skewness means that the right tail of the distribution is longer or thicker than the left. In practical terms, this is because the stock has experienced a large number of days (high frequencies) with low prices (mode and median), but the extreme and very high prices of recent years (which raise the mean) have stretched the distribution to the right. The bell curve (normal distribution) is distorted, indicating that the price distribution is not symmetrical. A standard deviation of 72.98 is very high relative to the mean (78.29). This confirms that the stock It is highly volatile, and the risk (defined as the variability of returns/prices) is significant.

Kurtosis measures the peakedness of the distribution and the thickness of its tails compared to a normal distribution (whose kurtosis is 0, sometimes reported as 3).

A value of −0.6360 (negative) indicates a platykurtic distribution. This means that the distribution is flatter at its peak and its tails are thinner than that of a normal distribution. Distributions with thick tails (leptokurtic) imply that extreme events (large losses or large gains) are more likely than the normal distribution would predict. A negative kurtosis (platykurtic) suggests that extreme prices, while existing (due to skewness), are less likely to occur in the immediate future, which could be seen as a sign of lower risk of sudden shocks compared to assets with high positive kurtosis. Studying kurtosis is vital for estimating the value at risk (VaR) of a portfolio, as it helps to quantify the probability of catastrophic movements.

A very high correlation of 91.19% suggests that a simple straight line already captures a large portion of the growth.

The polynomial correlations (3rd order: 96.63% and 6th order: 98.40%) are extremely high values, demonstrating that the polynomial trend lines (shown in the chart below) fit AAPL's exponential growth trajectory almost perfectly. The 6th order line is the best fit, which is to be expected for a high-growth asset.

The histogram (AAPL) corroborates the strong skewness and positive bias discussed earlier.

The highest frequency bar is in the first class interval (likely 0 to 56.86). Frequency bars are very low or almost nonexistent in the higher price intervals.

This perfectly visualizes the positive bias, where most price observations are concentrated at the lower end (when the stock was cheaper), while higher prices occur much less frequently. The frequency polygon (orange line) clearly illustrates the tail extending to the right, confirming that the distribution differs significantly from a normal distribution.

The 180-day forecast (203.81) is significantly lower than the current price (272.95) and the 90-day forecast (278.62). This could be because the model (likely a polynomial regression model or a simple linear regression, as suggested by the equation y=0.6577x−36.9, with a low R2 in the chart above) is capturing a potential slowdown. An economist would rarely base an investment decision on a 180-day forecast suggesting a 25% price drop without a more robust time series model (such as ARIMA/GARCH) and detailed fundamental analysis.

The historical data (3472.64% total, 1.90% monthly) is exceptionally strong, indicating that AAPL has been a long-term wealth-generating machine.

The high skewness and high standard deviation confirm that the stock is volatile. The negative kurtosis suggests that Extreme price shocks may be less likely than in highly leptokurtic assets, which is an advantage in terms of risk.

The growth trajectory is very well defined by polynomial regressions. From a purely statistical point of view, AAPL stock exhibits an extremely solid and well-modeled growth trajectory (high correlation), supported by massive historical returns.

However, the investment decision cannot be based solely on descriptive statistics and a simple regression; the high volatility (standard deviation of 72.98) necessitates a long investment horizon to mitigate the risk of large price swings. The 180-day forecast of 203.81 is a red flag that should be investigated with fundamental analysis (evaluation of current valuation, future earnings growth, competition, and the macroeconomic environment).

It is indeed validated that AAPL has historically been an exceptional investment vehicle. It is unwise to invest "right now" without first validating the model's downturn forecast with fundamental analysis and more advanced time series models that adequately handle seasonality and autocorrelation.

In the long term (decades), history is very favorable. As a short-term investor (180 days), the forecast model's warning cannot be ignored. Technical analysis, based on indicators and moving averages, provides timing information (when to buy or sell) and corroborates the level of risk (volatility) already identified by descriptive statistics.

Most of the signals (5) point to selling, suggesting that the upward momentum may be waning. The two indicators showing overbought conditions are crucial. Oscillators like the RSI (Relative Strength Index) and the Stochastic Oscillator indicate that the price has risen too quickly and is at an unsustainable level, increasing the likelihood of a technical correction (a price drop). This supports the 180-day forecast warning in your statistical analysis.

Moving Averages (MAs) determine the trend. If all seven MAs (long and short) are in a sell signal (i.e., the short-term MA has crossed below the long-term MA, or the price is below the MA), this indicates that the short- and medium-term trend may be reversing to the downside.

This discrepancy confirms that the stock is not in a clear and strong uptrend across all time horizons, but rather in a consolidation phase or, worse, in the first phase of a downward correction.

The fact that the cumulative probability (p) has reached 100% requires careful interpretation within the financial context.

If it refers to a time range or an upper limit of a model, the interpretation is that the stock is in uncharted or highly expanded territory.

In this case, it translates to a cautious stance because, while the stock is "good" due to its historical growth, its current price has exhausted its immediate upside potential and has become extremely vulnerable to profit-taking and corrections.

The combined statistical and technical analysis clearly points to a need for extreme caution and a potential no-buy signal at this time.

The high statistical volatility is supported by technical overbought signals. The 180-day statistical forecast of a decline is reinforced by the dominant sell signal in the indicators and moving averages, and the oversupply alert.

The mix of buy/sell signals creates an uncertain market.

For a long-term investor, it is recommended to maintain existing positions but avoid adding new shares at this price level, given the high probability of a short-term correction.

For a short-term investor/speculator, the combined signal suggests no buying. It is preferable to wait for a correction (price drop) that takes the stock back to key support levels (perhaps near the 203.81 forecast area) before considering re-entering.

This stock has historically been a "good" investment, but the current situation presents high risk and low expected reward in the short term. Apple's efficiency metrics are exceptional, demonstrating the company's quality.

The gross profit margin of 46.9% (Very High) shows a strong ability to generate profit from sales after the cost of goods sold.

The return on assets (ROA) of 30.9% indicates outstanding efficiency in using its assets to generate profit.

A return on equity (ROE) of 171.4% is considered high. This metric is often elevated in companies that have conducted large share buybacks (reducing shareholders' equity), which artificially inflates ROE. In any case, it reflects an incredible ability to generate returns for its shareholders.

AAPL's valuation by its multiples (P/E, P/B, EV/EBITDA) indicates that the stock is trading at a significant premium (i.e., it is "expensive") compared to historical or industry averages. The market is pricing in (valuing today) very optimistic future growth.

AAPL's analysis is at a critical juncture, with quality metrics that contradict an extended valuation and technical signals of overbought conditions.

The verdict leans toward Caution at this time (272.95).

While AAPL is an undeniably high-quality company (fundamentally bullish), its current price has already discounted much of its future growth. The high valuation, combined with overbought technical signals and a volatility warning (Beta 1.11), makes the risk of a short- to medium-term correction high.

Buying at this price level is not recommended, as the risk-reward ratio is unfavorable in the short term.

Wait for a correction (a pullback) to lower support levels to build a long-term position with a better margin of safety.

 

miércoles, 12 de noviembre de 2025

GM: TAIL RISK (KURTOSIS) VS. EARNINGS POTENTIAL (EPS). STRATEGIC MANAGEMENT AT A GIANT'S TURNING POINT

 

Observing the General Motors (GM) price chart, along with trend lines (linear, 3rd and 6th order polynomial), is crucial for understanding the historical price trajectory.

A linear trend with a positive slope would indicate steady, long-term growth. A low slope suggests stable, but not explosive, growth.

Polynomial trends (3rd and 6th order): These curves are a curve-fitting exercise that seeks to capture market nonlinearity and cycles (peaks and valleys) more accurately than a straight line. The third-order or cubic trend generally captures broader cycles, such as an initial growth phase, a plateau, and a final acceleration/deceleration phase, while the sixth-order or high trend, being of a higher order, has the ability to fit specific historical data very well (high R² or coefficient of determination), capturing every fluctuation. While it shows a high degree of correlation with past data, its predictive capacity (future projection) is very limited, as it models "noise" as much as the actual trend. The descriptive statistics table, which includes the range and correlations, is vital. There is a clear trend that polynomial curves model very well, but the simplest model that captures it should be used The essence of the trend for projection (perhaps linear or of order 3).

Comparing the mean, median, and mode, and studying kurtosis, are fundamental to understanding the shape of the return distribution and, therefore, investment risk.

The fact that the mean, median, and mode differ confirms the presence of skewness or asymmetry in the distribution; that is, the Gaussian bell curve is distorted.

If Mean > Median > Mode (Positive Skewness), the right tail is longer. In terms of returns, this could indicate a higher probability of obtaining extreme (albeit rare) gains on the positive side.

If the mean < median < mode (negative skewness), the left tail is longer, signaling higher risk because there is a greater probability of experiencing extreme losses (large drops). In price analysis, skewness indicates where most of the data is "moving" relative to the average, revealing an underlying trend. Kurtosis measures the peakedness of a distribution compared to the normal distribution (mesokurtic, kurtosis = 3, or excess kurtosis = 0). Kurtosis is a crucial indicator in risk management because it measures the probability of extreme events (outliers), which are what cause the greatest losses in portfolios. High kurtosis, or leptokurtic kurtosis, when it shows an excess > 0, implies that the distribution has a higher peak and Critically, heavier tails (fat tails). In finance, this means there is a higher probability of extreme price movements (large gains or large losses) than the normal distribution model would predict (which underestimates this risk).

To reduce investment risk, it is essential to study kurtosis: high kurtosis forces the investor to recognize that volatility (measured by the standard deviation) underestimates the true risk. More sophisticated risk models (such as conditional Value-at-Risk - CVaR) are required, along with adjusting position sizes to protect against these "heavy-tailed" events.

The cumulative probability (p) shows the probability that the price (or return) will be less than or equal to a certain value. Its complement, q = 1 − p, shows the probability that the price (or return) will be greater than that value. This data is essential for calculating risk metrics such as Value at Risk (VaR) or for establishing profit/loss thresholds. For example, if a price has a p-value of 0.95, it means there is a 5% probability (Q=0.05) that the price will exceed that value, which is useful for assessing upside potential.

If the histogram has a symmetrical and smooth bell shape (similar to the curve of the normal distribution), it confirms that the price or return distribution is close to normal.

If, on the other hand, the histogram shows a skew (longer bars to one side) and/or a sharper peak with long tails (confirming leptokurtosis), it refutes the assumption of normality.

If the distribution is not normal, traditional finance models based on normality (such as the Markowitz model or using the simple standard deviation as the sole measure of risk) are inadequate and underestimate tail risk. The frequency polygon, by smoothing the histogram, helps visualize the shape of the distribution and compare it directly with the theoretical normal curve.

Based on this statistical and econometric analysis, is it worthwhile to invest in General Motors (GM) right now?

Polynomial models show that the price fits a historical pattern very well. If the simple model (linear or third-order) suggests positive growth, there is a basis for considering the investment. The difference between the mean, median, and mode indicates skewness, and the significance of kurtosis suggests that the distribution of returns has heavy tails. This implies that investing in GM carries a higher extreme event risk than would be estimated using volatility alone.

The histogram likely corroborates the non-normality of the price/return distribution.

The investment decision requires further analysis, but the preliminary statistical diagnosis indicates that: Yes, but with caution and active risk management. If the overall price trend (linear or cubic) is positive and upward, trend analysis suggests growth potential. The high kurtosis and skewness mean that the investor should be prepared for sharper and larger-than-expected price movements. The risk of a significant loss is greater than standard risk indicates.

The investment should be made with the understanding that sudden drops (and rises) are more likely. It is crucial to use risk management strategies that consider higher-order factors, such as kurtosis. For example, establishing stricter stop-loss orders, limiting position size, or using derivatives to hedge tail risk (put options).

This analysis is purely statistical. The final decision should be complemented by a fundamental analysis (earnings, debt, outlook for the EV/Auto sector, competition, etc.) of General Motors.

In summary, investing in GM appears to be in a phase of potential growth (depending on the slope of the trend), but it carries an unusual risk profile that requires more sophisticated portfolio management.

The technical analysis you attached, with data from November 11, 2025, shows a strong divergence between the moving averages and the short-term oscillators/indicators, which generates uncertainty and warrants caution. Technical indicators are used to identify the strength and direction of the trend, while oscillators help determine overbought (overvalued) or oversold (undervalued) conditions. The Average Directional Movement Index (ADX) is above 70, confirming that the upward trend is extremely strong. However, in combination with an RSI close to 70, this indicates that the upward movement is mature and there is a high risk of a technical correction (a pullback or price retracement) due to buyer exhaustion.

Moving Averages (MAs) focus on the direction of the trend over different time horizons.

The long-term moving averages (50-day, 100-day, and 200-day moving averages) are in a buy signal, indicating a fundamentally bullish outlook. This suggests that the current price of $71.22 is significantly higher than the 50-, 100-, and 200-day moving averages. This corroborates the growth identified in your econometric trend analysis. In the short term (5-day and 10-day moving averages), the 5-day and 10-day simple and exponential moving averages are split, but the 5-day simple moving average of 71.36 and the 5-day exponential moving average of 71.29 are in a sell signal (or near the recent price of $71.22). The main trend for GM is bullish (corroborated by the long-term moving averages). However, the "sell" signal from the 5-day moving averages suggests that the price has already fallen slightly below its 5-day moving average. This is the first sign of profit-taking or the beginning of the technical correction anticipated by [the analyst/investment analyst]. The ADX and RSI.

 Pivot points are used to establish support (S) and resistance (R) levels for intraday or weekly trading.

The fact that the latest close (71.22) is below the classic pivot point (71.31), but above the S1 support level (71.24) in some methodologies (such as Camarilla), reinforces the idea of ​​a phase of indecision or consolidation in the very short term.

The combination of statistical analysis (high kurtosis and skewness) with technical analysis (indicators) provides a very clear picture of the risk.

The underlying trend (long-term) is bullish (confirmed by the long-term moving averages and their econometric analysis). The tail risk (risk structure) is high (confirmed by the kurtosis) (indicating extreme price events).

At the present time (short term) or exhaustion of the buying trend and consolidation (confirmed by the high ADX, RSI near 70, and 5-day moving average in a sell position).

To invest, it is advisable to wait or invest with small positions and moderation. GM's stock is at a technical turning point after a strong upward move:

Short-term indicators warn that a technical correction towards support levels (possibly the 20-day moving average at 70.71) is very likely. Entering now is buying at a point of overextension. Investors should wait for the stock to complete the correction (i.e., wait for the price to fall and find support, perhaps near the 20- or 50-day moving averages) before opening a large buy position, thus reducing the risk of buying at the peak. If you decide to buy now, it should be a small position with a strict stop-loss placed below the S1 and S2 support levels (71.18–71.24), in line with the need to mitigate the tail risk demonstrated by your statistical analysis.

The "Strong Buy" signal from the summaries is overshadowed by the "Overbought" warning from the oscillators, making caution the best strategy.

The most relevant element is the positive surprise of 20.69% in EPS ($2.80 vs. $2.32) and the 16.05% increase in pre-market trading. Exceeding expectations by more than 20% is a sign that the company is generating much more efficient profits than Wall Street had anticipated.

The rise in the share price is not just a reaction to a good quarter; it is the company's revaluation by the market The market now has greater confidence in its future ability to generate profits. This suggests that, despite the high kurtosis detected in its statistical analysis (which implies extreme volatility), recent extreme movements have been positive and confirm a strong long-term upward trend (corroborating its long-term moving averages).

Despite a year-over-year decline in total adjusted EBIT, GM's operational management shows underlying health. Achieving its largest US market share since 2017 and keeping incentives below average are signs of strong demand for its products and its ability to price without relying on deep discounts.

Reducing dealer reservations by 16% is crucial. This means that demand is absorbing supply, reducing GM's inventory costs and positioning it to sell at higher prices when inventory is tight. Herein lies a point of caution, directly related to the uncertainty seen in its technical analysis (overbought/consolidation). The adjusted North American EBIT margin of 6.2% is solid, but below the long-term target of 8-10%. GM is investing heavily ($4 billion in capital and $1 billion in V8 engines/EVs). This investment temporarily reduces margins and EBIT. The market is aware of this, but the raised guidance for the full year (adjusted EBIT to $12-$13 billion and EPS to $9.75-$10.50) indicates that management expects these investments to generate significant returns in the future, especially in 2026. Fundamental analysis suggests that GM is a solid, undervalued, and transitioning company.

The P/E ratio of 14.9x (from its previous data) and price-to-book ratio of 1.0x suggest that the stock is not expensive compared to the broader market. The high full-year EPS forecast ($9.75–$10.50), if confirmed, would make the forward P/E ratio significantly lower than 14.9x, implying that the stock is fundamentally undervalued even after the 16% rally.

Investment in GM, despite high volatility (kurtosis), is justified by its current strong financial performance and future growth prospects once investments in electric vehicles and operational efficiency mature.

GM: RIESGO DE COLA (CURTOSIS) VS. POTENCIAL DE GANANCIAS (BPA). GESTIÓN ESTRATÉGICA ANTE EL PUNTO DE INFLEXIÓN DE UN GIGANTE

 

La observación del gráfico de precios de General Motors (GM), junto con las líneas de tendencia (lineal, polinómica de orden 3 y 6) es crucial para entender la trayectoria histórica del precio.

La tendencia lineal con pendiente positiva indicaría un crecimiento constante a largo plazo. Si la pendiente es baja, sugiere que el crecimiento es estable, pero no explosivo.

Las tendencias polinómicas (orden 3 y 6): Estas curvas son un ejercicio de curva-ajuste (curve fitting) que busca capturar la no linealidad y los ciclos del mercado (picos y valles) de forma más precisa que una línea recta.

La tendencia de orden 3 o cúbica, generalmente capta ciclos más amplios, como un crecimiento inicial, una meseta y una aceleración/deceleración final, mientras que la de orden 6 o Alta, al ser de un orden superior, tiene la capacidad de ajustarse demasiado bien a los datos históricos específicos (alto R2 o coeficiente de determinación, capturando cada fluctuación. Si bien muestra un alto grado de correlación con la data pasada, su capacidad predictiva (proyección futura) es muy limitada, ya que modela el "ruido" tanto como la tendencia real.

La tabla de estadística descriptiva que incluye el rango y las correlaciones es vital.

Existe una clara tendencia que las curvas polinómicas modelan muy bien, pero se debe usar el modelo más simple que capture la esencia de la tendencia para la proyección (quizás el lineal o el de orden 3).

La comparación entre la media, mediana y moda y el estudio de la curtosis son fundamentales para entender la forma de la distribución de los rendimientos y, por ende, el riesgo de inversión.

El hecho de que la media, mediana y moda difieran confirma la presencia de sesgo o asimetría en la distribución, es decir, la campana de Gauss está deformada.

Si Media > Mediana > Moda (Sesgo Positivo), la cola derecha es más larga. Esto, en rendimientos, podría indicar que hay una mayor probabilidad de obtener ganancias extremas (aunque raras) en el lado positivo.

Si la media < mediana < moda (sesgo negativo, la cola izquierda es más larga, siendo una señal de mayor riesgo porque hay una mayor probabilidad de experimentar pérdidas extremas (grandes caídas).

En el análisis de precios, el sesgo indica hacia dónde se "mueve" la mayoría de los datos respecto al promedio, revelando una tendencia subyacente.

La curtosis mide el grado de apuntamiento (peakedness) de una distribución en comparación con la distribución normal (mesocúrtica, curtosis = 3 o exceso de curtosis = 0).

La curtosis es un indicador crucial en la gestión de riesgos porque mide la probabilidad de eventos extremos (valores atípicos o outliers), que son los que causan las mayores pérdidas en las carteras.

La curtosis alta o leptocúrtica, cuando muestra un exceso > 0, Implica que la distribución tiene un pico más alto y, críticamente, colas más pesadas (fat tails). En finanzas, esto significa que hay una mayor probabilidad de movimientos extremos de precios (grandes ganancias o grandes pérdidas) de lo que predeciría el modelo de la distribución normal (que subestima este riesgo).

Para disminuir el riesgo de inversión, es esencial estudiar la curtosis: una curtosis alta obliga al inversor a reconocer que la volatilidad (medida por la desviación estándar) subestima el riesgo real. Se requiere usar modelos de riesgo más sofisticados (como Value-at-Risk condicional - CVaR) y ajustar el tamaño de las posiciones para protegerse contra esos eventos de "cola pesada".

La probabilidad acumulada (p) muestra la probabilidad de que el precio (o rendimiento) sea menor o igual a un cierto valor. Su complemento q=1−p muestra la probabilidad de que el precio (o rendimiento) sea mayor que ese valor. Estos datos son esenciales para calcular métricas de riesgo como el Valor en riesgo (VaR) o para establecer umbrales de pérdidas/ganancias. Por ejemplo, si un precio tiene una p=0.95, significa que hay un 5% de probabilidad (Q=0.05) de que el precio sea superior a ese valor, lo cual es útil para evaluar el potencial alcista.

Si el histograma tiene una forma de campana simétrica y suave (similar a la curva de la distribución normal), confirma que la distribución de precios o rendimientos se acerca a la normalidad.

Si, por el contrario, el histograma muestra un sesgo (barras más largas hacia un lado) y/o un pico más agudo con colas largas (confirmando la leptocurtosis), refuta el supuesto de normalidad.

  • Si la distribución no es normal, los modelos de finanzas tradicionales basados en la normalidad (como el modelo de Markowitz o el uso de la desviación estándar simple como única medida de riesgo) son inadecuados y subestiman el riesgo de cola. El polígono de frecuencias, al suavizar el histograma, ayuda a visualizar la forma de la distribución y compararla directamente con la curva normal teórica.

De acuerdo con este análisis estadístico y econométrico, ¿vale la pena invertir en este momento en General Motors (GM)?

Los modelos polinómicos muestran que el precio se ajusta muy bien a un patrón histórico. Si el modelo simple (lineal o de orden 3) sugiere un crecimiento positivo, hay una base para considerar la inversión. La diferencia entre la media, mediana y moda indica asimetría (sesgo), y la importancia de la curtosis sugiere que la distribución de rendimientos tiene colas pesadas. Esto implica que la inversión en GM tiene un riesgo de evento extremo más alto que el que se estimaría solo con la volatilidad.

El histograma probablemente corrobora la no-normalidad de la distribución de precios/rendimientos.

La decisión de inversión requiere un análisis más profundo, pero el diagnóstico estadístico preliminar indica que: Sí, pero con cautela y gestión activa del riesgo. Si la tendencia general de los precios (lineal o cúbica) es positiva y ascendente, el análisis de tendencias sugiere un potencial de crecimiento. La alta curtosis y el sesgo significan que el inversor debe estar preparado para movimientos de precios más bruscos y grandes de lo esperado. El riesgo de una pérdida significativa es mayor de lo que el riesgo estándar indica.

La inversión debe realizarse con la conciencia de que las caídas repentinas (y las subidas) son más probables. Es fundamental utilizar estrategias de gestión de riesgos que consideren los momentos de orden superior, como la curtosis. Por ejemplo, establecer órdenes de stop-loss más estrictas, limitar el tamaño de la posición o utilizar derivados para cubrir el riesgo de cola (opciones put).

Este análisis es puramente estadístico. La decisión final debe complementarse con un análisis fundamental (beneficios, deuda, perspectivas del sector EV/Autos, competencia, etc.) de General Motors.

En resumen, la inversión en GM parece estar en una fase de potencial crecimiento (dependiendo de la pendiente de la tendencia), pero lleva consigo un perfil de riesgo no normal que exige una gestión de cartera más sofisticada.

El análisis técnico que usted adjunta, con datos del 11 de noviembre de 2025, muestra una fuerte divergencia entre las medias móviles y los osciladores/Indicadores a corto plazo, lo que genera la incertidumbre y moderación

Los indicadores técnicos se utilizan para identificar la fuerza y dirección de la tendencia, mientras que los osciladores ayudan a determinar las condiciones de sobrecompra (sobrevaloración) o sobreventa (subvaloración).

El Índice de movimiento direccional promedio (ADX) está por encima de 70, lo que confirma que la tendencia alcista es extremadamente fuerte. Sin embargo, en combinación con un RSI cercano a 70, esto indica que el movimiento alcista es maduro y existe un riesgo elevado de una corrección técnica (un pullback o retroceso de precios) debido al agotamiento de los compradores.

Las Medias Móviles (MM) se centran en la dirección de la tendencia a diferentes horizontes temporales.

Las medias móviles de largo plazo (MM50, MM100, MM200,  están en compra, mostrando una señal fundamentalmente alcista, Indicando que el precio actual de $71.22 es significativamente superior a los promedios de precios de 50, 100 y 200 días. Esto corrobora el crecimiento identificado en su análisis de tendencias econométricas.

En el corto plazo (MM5, MM10), las medias móviles simples y exponenciales de 5 y 10 días están divididas, pero la MM5 Simple de 71.36 y exponencial de 71.29 están en venta (o cerca del último precio de $71.22.

La tendencia principal de GM es alcista (corroborada por MM largas). Sin embargo, la señal de "venta" de las MM a 5 días sugiere que el precio ya ha caído ligeramente por debajo de su precio promedio de los últimos 5 días. Esta es la primera señal de toma de ganancias o el inicio de la corrección técnica advertida por el ADX y el RSI.

Los puntos pivote se utilizan para establecer niveles de soporte (S) y resistencia (R) para la operativa intradiaria o semanal.

El hecho de que el último cierre (71.22) esté por debajo del punto pivote clásico (71.31), pero por encima del soporte S1 (71.24) en algunas metodologías (como camarilla), refuerza la idea de una fase de indecisión o consolidación en el cortísimo plazo.

La combinación del análisis estadístico (curtosis alta y sesgo) con el análisis técnico (Indicadores) proporciona una imagen muy clara del riesgo.

La tendencia de fondo (largo plazo), alcista (confirmado por las MM de largo plazo y su análisis econométrico). El riesgo de cola (estructura de riesgo), alto (confirmado por la curtosis, indicando eventos de precio extremos).

En el momento actual (corto plazo) o agotamiento de la compra y consolidación (confirmado por el ADX alto, RSI cercano a 70 y MM de 5 días en Venta).

Para invertir es recomendable esperar o Invertir con posiciones pequeñas con moderación. La acción de GM está en un punto de inflexión técnico tras un fuerte movimiento alcista:

Los indicadores de corto plazo advierten que una corrección técnica hacia niveles de soporte (posiblemente la MM20 en 70.71) es muy probable. Entrar ahora es comprar en un momento de sobreextensión. El inversionista debería esperar a que la acción complete la corrección (es decir, esperar a que el precio caiga y encuentre soporte, quizás cerca de los promedios móviles a 20 o 50 días) antes de abrir una posición de compra grande, reduciendo así el riesgo de comprar en el pico. Si decide comprar ahora debe ser una posición pequeña y con un estricto stop-loss establecido por debajo del soporte S1 y S2 (71.18−71.24), en línea con la necesidad de mitigar el riesgo de cola que demostró su análisis estadístico.

La señal de "Compra Fuerte" de los resúmenes es opacada por la advertencia de "Sobrecompra" de los osciladores, haciendo que la moderación sea la mejor estrategia.

El elemento más relevante es la sorpresa positiva del 20,69% en el BPA ($2.80 vs $2.32) y el incremento del 16.05% en la preapertura. Superar las expectativas por más del 20% es una señal de que la empresa está generando ganancias mucho más eficientes de lo que Wall Street había descontado.

La subida del precio de la acción no es solo una reacción a un buen trimestre; es la revalorización de la empresa por parte del mercado, que ahora confía más en su capacidad futura de generar ganancias. Esto sugiere que, a pesar de la alta curtosis que detectó en su análisis estadístico (que implica volatilidad extrema), los movimientos extremos recientes han sido positivos y confirman una fuerte tendencia alcista a largo plazo (corroborando sus MM de largo plazo).

A pesar de una disminución interanual en el EBIT ajustado total, la gestión operativa de GM muestra una salud subyacente, lograr la mayor cuota de mercado en EE.UU. desde 2017 y mantener los incentivos por debajo del promedio son señales de una fuerte demanda de sus productos y su capacidad para fijar precios sin depender de grandes descuentos.

Reducir las reservas de los concesionarios en un 16% es crucial. Esto significa que la demanda está absorbiendo la oferta, reduciendo los costos de inventario de GM y posicionándola para vender a precios más altos cuando el inventario escasea. Aquí radica un punto de cautela, que conecta directamente con la incertidumbre vista en su análisis técnico (sobrecompra/consolidación)

El margen EBIT ajustado de Norteamérica del 6.2% es sólido, pero está por debajo del objetivo a largo plazo del 8-10%. GM está invirtiendo fuertemente ($4 mil millones en capital y $1 mil millones en motores V8/EVs). Esta inversión reduce temporalmente los márgenes y el EBIT. El mercado está viendo esto, pero la elevación de las previsiones para el año completo (EBIT ajustado a $12-$13 mil millones y BPA a $9.75-$10.50) indica que la gerencia espera que estas inversiones generen retornos significativos en el futuro, especialmente en 2026.

El análisis fundamental sugiere que GM es una empresa sólida, infravalorada y en transición.

El P/E o ratio (PER) de 14.9x (de sus datos anteriores) y el precio/valor libro de 1.0x sugieren que la acción no es cara en comparación con el mercado en general. La elevada previsión de BPA ($9.75 - $10.50) para el año completo, si se confirma, haría que el P/E forward (futuro) sea significativamente más bajo que 14.9x, lo que implica que la acción está fundamentalmente infravalorada incluso después de la subida del 16%.

La inversión en GM, a pesar de la alta volatilidad (curtosis), está justificada por el sólido rendimiento financiero actual y las perspectivas de crecimiento futuro una vez que las inversiones en vehículos eléctricos y la eficiencia operativa maduren.

 

domingo, 9 de noviembre de 2025

DIFFERENCE BETWEEN COMMERCIAL BANKS AND INVESTMENT BANKS

 

Banking is primarily classified into two broad categories, differentiated by their functions, clients, and main objectives:

In practice, many of today's large financial conglomerates operate with separate commercial and investment banking divisions, even though in some countries the law (such as the Glass-Steagall Act in the US, repealed in 1999) no longer strictly mandates complete separation.

There is a significant lag in financial education and inclusion in Latin America. This is not an intentional or deliberate deprivation, but rather a multifactorial structural problem that generates a lack of knowledge about financial products and, particularly, about investment processes.

Financial education is rarely included in a mandatory and effective way in the primary or secondary school curriculum. Essential concepts (inflation, interest rates, risk-return relationship) are not understood by a large part of the population.

Three-quarters of the population living in poverty and extreme poverty continue to lack access to financial services, a situation linked to the cost and reach (both physical and digital) of these services. Without the use of these services, financial literacy is lost.

Historical distrust in the financial system (often justified by past economic crises) and the persistence of the informal economy mean that a large portion of the population does not participate in the formal system.

The dominant banking system has historically focused on commercial banking (deposits and loans) and has not prioritized promoting investment products or providing complex advice to the general public, but rather to high-net-worth clients.

This lack of financial literacy hinders informed decision-making, perpetuates economic vulnerability, and squanders the potential of financial inclusion as a tool for reducing poverty and inequality.

Promoting financial literacy is essential for improving living conditions, as it empowers people to better manage their money and use financial instruments to build wealth. Recommended actions include making financial education a cross-curricular or mandatory subject from primary to secondary school, focusing on practical concepts such as budgeting, saving, smart debt management, and basic investment concepts. Implement programs to ensure teachers acquire and effectively transmit this knowledge.

Leverage technology to create online learning platforms (courses, webinars, interactive games) accessible from mobile devices.

Banks and financial institutions should develop savings and investment products with clear and simple regulations (e.g., low-cost, low-risk investment funds) designed for less experienced clients, and promote a 100% digital onboarding process.

Require institutions to use simple and transparent language in their product documentation and promotion, eliminating complex financial jargon.

Develop financial education workshops and programs that address the specific needs of different population groups (youth, women entrepreneurs, remittance recipients, rural populations). Encourage the development of savings and credit cooperatives or associative models that strengthen social cohesion and education in contexts of trust. Improving financial literacy is directly related to increased income levels and economic well-being, by enabling families and individuals to make decisions that allow them to increase their wealth.

ISA: HISTORICAL RETURN (96% CORRELATION) AND DEFENSIVE RISK (BETA 0.36) FOR THE LONG-TERM PORTFOLIO.

 

The analysis of Interconexión Eléctrica (ISA) stock price, from the start of the study (November 4, 2010) at 12,960 to the final price of 25,880, shows a significant positive return over the period, as corroborated by the price chart.

The profitability chart is key to understanding the trend.

The linear model (green line) shows a coefficient of determination (R²) of 0.534. This indicates that the linear model explains approximately 53.4% ​​of the price variability, suggesting a moderate and increasing relationship in the long term. The regression equation is: Y = 3.2795x + 8149.

The correlation table indicates that polynomial regressions are better, with a 6th-order polynomial correlation of 96.00% and a 3rd-order polynomial correlation of 88.71%.

The 96.00% correlation for the 6th order (green line) demonstrates that this model fits the historical price trajectory very closely. This model better captures the upward and downward cycles (peaks and troughs) that are not linear.

The fact that the 6th-order polynomial correlation is much higher than the linear and 3rd-order correlations indicates that the price evolution of ISA is not simply a straight upward line, but is defined by multiple cycles and phases (an upward trend with intermediate corrections). Polynomial models, although good at describing the Past performance data should be used with caution for very long-term future projections.

The descriptive statistics table provides a solid diagnosis of the stock price distribution.

Skewness and kurtosis analysis is fundamental in finance for understanding tail risk.

The skewness of 0.8403 is positive, indicating a significant difference between the mean (14.472), median (13.060), and mode (12.960). Since the mean is greater than the median and the mode, the price distribution is positively skewed, or skewed to the right.

This means the distribution has a longer right tail. There are more days of low prices (concentration near the mode and median), but gains are driven by a few days of exceptionally high prices (the right tail). The average price (mean) is "pulled" upward by these outliers (peaks). The histogram corroborates this by showing a higher frequency in the lower class intervals. High, positive kurtosis (leptokurtic) means the distribution has heavier tails (a higher probability of extreme events) and a sharper peak than a normal distribution. In finance, this means a greater risk of extreme losses or gains. Negative kurtosis (platykurtic), as in this case (−0.393), means the distribution is flatter and has thinner tails than a normal distribution. The negative kurtosis of ISA suggests that prices have a more dispersed variance, and extremely high or low price events are less likely than in a normal distribution.

This may indicate a lower probability of major crashes (Black Swan Events) compared to a highly leptokurtic asset, resulting in less tail risk for the investor.

 If the distribution were normal, the histogram would resemble a symmetrical Gaussian bell curve. However, the ISA histogram shows a higher concentration of data in the lower class intervals (left), with a "tail" extending to the right (upper intervals). This corroborates the positive skew (0.8403) and the lack of normality.

The price has risen from $12,960 to $25,880, and the 6th-order polynomial model with a 96% correlation confirms a solid trajectory. A standard deviation of 4.995 indicates the level of fluctuation, and an average monthly return of 0.36% represents a consistently positive return. Negative kurtosis implies that the risk of extreme price events (massive losses) is statistically lower than in an asset with a leptokurtic distribution.

Positive skewness indicates that, while the overall trend is positive, prices mostly remain at lower levels (close to the mode), and large price jumps are less frequent.

Yes, from the statistical and econometric perspective of the data presented, it is worth investing now. The analysis shows an asset with a strong growth track record (96% correlation) and a positive return trajectory (0.36% average monthly return). Although the distribution is not normal and is skewed, the tail risk is low (negative kurtosis), suggesting that the risk profile is manageable and large, and extreme losses are less likely.

The 90- and 180-day forecasts (21,083 and 21,381) are positive, although they are below the current price (25,880), which could indicate an expected correction or that the model used for the projection is not the most robust for the short term. The decision is based more on the long-term trend and the stable risk profile.

The technical analysis uses indicators and oscillators to measure the strength and direction of price movements. The moving average (MA) result is extremely bullish: 12 Buy signals and 0 Sell signals.

The fact that the current stock price (approximately 25,880 according to the chart) is above all the Moving Averages (both simple and exponential), from the 5-period MA (short-term) to the 200-period MA (long-term), indicates a very strong and well-established upward trend across all time horizons. This reinforces the positive trajectory diagnosis shown by the polynomial statistical analysis. The indicators show a clear buying intent (9), but three key indicators are warning of overbought conditions and, therefore, caution. Trend indicators (MACD, ADX) and momentum indicators (Ultimate Oscillator, ROC) suggest that current buying pressure is dominant.

Range oscillators such as the Stochastic Oscillator (STOCH) and Williams %R are in overbought territory. This means that the price has risen very rapidly in the short term, and a correction or sideways movement (a pause in the upward trend) is statistically likely in the immediate future. This is the main "Uncertainty" or "Caution" factor mentioned.

The fact that the cumulative probability has reached 98.88% implies that the current price is in the upper right tail of the historical price distribution.

This is directly related to the positive skew (0.8403) and the low median/mode of the statistical analysis. Most of the data is concentrated at low prices, which places the current price (25,880) in a very low historical probability range.

Being in the tail of the distribution is a statistically unusual or extreme position. The price is at an excellent level (good action), but the probability of it continuing to rise without a correction is drastically reduced. This reinforces the overbought signal from the technical oscillators.

Pivot points are key support (S) and resistance (R) levels used to plan short-term entries and exits.

The pivot point (PP) at 25,840 acts as a key breakeven point. Given that the current price is slightly above this target price, the S1 (Support) level in the 25,400-25,587.9 range is the first level where the price could bounce if it initiates a correction.

Expanding the technical analysis does not invalidate the investment recommendation, but rather contextualizes it and adds a layer of temporary caution.

The stock is a "Strong Buy" based on the historical trend and the consolidation of the moving averages. It is a quality asset (good returns and low tail risk). The overbought signal and the accumulated probability at an extreme level indicate that this is not the optimal time for a buyImmediate and massive entry. There is a high probability of a small price correction in the short term.

A Stepped Entry strategy (Dollar-Cost Averaging or DCA) is recommended. Instead of investing all capital immediately, consider making a moderate initial entry to capitalize on the trend, reserving capital for additional entries if the price corrects towards the S1 (25,400) or S2 support levels.

Fundamental analysis evaluates the company's intrinsic value based on its financial metrics. By integrating the three pillars of analysis, a robust and nuanced conclusion is reached. The 0.36 Beta (fundamental) directly confirms the platykurtosis (low tail risk) of the statistical analysis. ISA is a defensive stock that tends to fall less than the market during recessions and is ideal for preserving capital.

The high standard deviation and ATR are justified by the 57.7% growth over one year, which is an upward price movement and not uncontrolled volatility. Profitability (margin 49.7%, ROE 13.7%) and valuation (P/E ratio 11.8x) are solid and fair. The econometric analysis (96% polynomial correlation) and the technical analysis (12/12, buy moving averages) confirm that the stock's upward momentum is supported by the strength of the business.

The three overbought indicators and the 98.88% cumulative probability are the only warning signs. This does not call into question the quality of the company, but rather the timing of the entry. It indicates that, in the coming days or weeks, the price could correct or pause before continuing its upward trend.

Yes, it's worth investing in Interconexión Eléctrica (ISA) right now because the fundamental risk (Beta 0.36) and statistical tail risk are low, while the quality, profitability, and long-term trend are exceptionally strong.

However, to mitigate the short-term risk of the overbought technical signal, it's important to understand that ISA is a long-term asset, a defensive pillar with an attractive dividend, ideal for any portfolio seeking stability and consistent growth.