S&P 500

To carry out the study of one of the most important indices in the United States market, the data that appear in Yahoo Finance from January 1, 2015, to December 31, 2020, was taken, in order to know the trend.

As of January 1, 2015, the index had 2,058.20 points and at the end of December 31, 2020, it had 3,756.07 points, showing a growth of 82.49% in the analyzed period.

Observing the behavior of the market taking into account the descriptive statistics tools, the results are observed in the following table:

In this table it can be seen that the mean, the mode and the median show differences, which determines that it is a distribution where the data does not have a normal behavior. It can also be known that, in the period analyzed, the difference between the highest and the lowest price was approximately 1927 points, which corresponds to a percentage variation of 105.35%, which draws the attention of investors who They make their decisions taking into account market volatilities or those who speculate with cfd's.

It is also important to note that the lowest score obtained by the index was on February 11, 2015, and the highest was achieved on December 31, 2020, which indicates that during the period studied it has guaranteed permanent growth despite the impact caused by the pandemic. in world markets

The probabilistic trajectory that the price has had during the 1511 days has been 99.53%, reaching a confidence limit of 2.59, indicating that the market is overbought AND that in the short term the market will present a decline that will not Allow your increment to superheat.

If a contrast is made between the quantitative study provided by the statistics and the technical study, it is found that according to the Bollinger bands and the RSI, they forecast a market correction in the short term