The speed of the drop today was similar to March 2020. Here you can review the chart below.
Clearly, I was not anticipating such a speed. After 4300 as taking brokers and FCM send messages increasing margin requirement for futures contracts. It seems this created a few margin calls and highly leveraged players were forced to cut risk.
The red line below the chart is the 2.5 STD of the last move until I got the long signal.
Here you can review another chart where you can see the return by sector and underlines.
The SPX is about 8% down on the year.