what is the biggest single day drop in qqq in the last 20 years

QQQ had its best day between February 24, 2005 and February 24, 2025 on October 28, 2008, returning 7.3%.

ASSET DATE % RETURN
QQQ
10/28/2008
7.34%
QQQ
10/13/2008
6.91%
QQQ
2/24/2022
6.79%
QQQ
11/13/2008
6.39%
QQQ
12/3/2008
5.49%
QQQ
10/13/2022
5.35%
QQQ
11/26/2008
5.27%
QQQ
12/5/2008
5.24%
QQQ
12/26/2018
5.06%
QQQ
10/24/2008
4.91%
QQQ
5/26/2009
4.82%
QQQ
10/16/2008
4.67%
QQQ
8/24/2015
4.49%
QQQ
11/30/2022
4.46%
QQQ
3/26/2020
4.37%
QQQ
1/2/2009
4.23%
QQQ
3/10/2009
4.07%
QQQ
2/6/2018
4.07%
QQQ
11/24/2008
3.97%
QQQ
12/16/2008
3.87%
QQQ
3/17/2020
3.8%
QQQ
2/5/2009
3.73%
QQQ
3/2/2020
3.61%
QQQ
4/4/2018
3.55%
QQQ
3/23/2009
3.48%