It took 23 months for the S&P 500 to come back from the October 1987 crash Friday, March 13, 2020 @ 10:17 am by Dr. Wish
Monthly chart shows market could fall much more; 13th day of $QQQ short term down-trend Friday, March 13, 2020 @ 12:02 am by Dr. Wish GMI0/6 GMI-21/9 T21082% This monthly chart of the SPY shows that the decline thus far is quite small compared with the one in 2008. This market could fall much more.
Decline appears modest on weekly chart; 12th day of $QQQ short term down-trend Wednesday, March 11, 2020 @ 11:02 pm by Dr. Wish GMI0/6 GMI-21/9 T21083% Weekly chart shows this decline to be modest thus far.