S&P 500 Weekly Drops of 5%+
From the beginning of 1980 through August 24, 2015, there have been just 29 instances (29/1851 weeks = 1.5% of the weeks) when the S&P 500 dropped 5% or more in a calendar week.
S&P 500 Weekly Drops of 5%+ [1980-2001]
Date |
% Drop |
Next Week |
4 Weeks Later |
12 Weeks Later |
3/7/1980 |
-6.0% |
-1.4% |
-4.4% |
4.1% |
9/12/1986 |
-7.9 |
0.7 |
2.1 |
8.9 |
10/9/1987 |
-5.2 |
-9.1 |
-19.5 |
-20.6 |
10/16/1987 |
-9.1 |
-12.2 |
-13.1 |
-13.9 |
10/23/1987 |
-12.2 |
1.4 |
-2.5 |
1.5 |
12/4/1987 |
-6.8 |
5.1 |
10.3 |
17.2 |
8/13/1989 |
-7.1 |
4.1 |
1.6 |
5.6 |
8/28/1998 |
-5.0 |
-5.2 |
1.7 |
13.3 |
9/4/1998 |
-5.2 |
3.6 |
3.0 |
22.4 |
10/15/1999 |
-6.6 |
4.4 |
11.9 |
15.6 |
1/28/2000 |
-5.6 |
4.7 |
-2.0 |
5.5 |
4/14/2000 |
-10.5 |
5.8 |
4.8 |
9.0 |
3/16/2001 |
-6.7 |
-0.9 |
2.9 |
10.0 |
9/21/2001 |
-11.6 |
7.8 |
11.2 |
16.3 |
From 1980 through 8/21/2015, 2008 was the year with the most weekly declines of 5%+ (6 total). The biggest weekly drop was -18.2% (10/3/2008). After a weekly drop of 5%+, the biggest loss for the subsequent week was also -18.2% (10/10/2008). The worst cumulative return four weeks after a weekly drop of at least 5% was -19.5% (10/9/1987).
After a weekly drop of 5%+, the following week experienced a loss 38% of the time (11/29); cumulative returns four weeks after a weekly decline of 5%+ also occurred 38% of the time 11/29).
S&P 500 Weekly Drops of 5%+ [2002-8/21/2015]
Date |
% Drop |
Next Week |
4 Weeks Later |
12 Weeks Later |
7/12/2002 |
-6.8% |
-8.0% |
-1.4% |
-13.1% |
7/19/2002 |
-8.0 |
0.6 |
9.6 |
-1.5 |
1/18/2008 |
-5.4 |
0.4 |
1.9 |
0.6 |
10/3/2008 |
-9.4 |
-18.2 |
-11.9 |
-20.6 |
10/10/2008 |
-18.2 |
4.6 |
3.5 |
3.6 |
10/24/2008 |
-6.8 |
10.5 |
-8.8 |
-3.0 |
11/14/2008 |
-6.2 |
-8.4 |
0.7 |
-0.5 |
11/21/2008 |
-8.4 |
12.0 |
11.0 |
3.4 |
2/20/2009 |
-6.9 |
-4.5 |
-0.2 |
14.7 |
3/6/2009 |
-7.0 |
10.7 |
23.3 |
34.5 |
5/7/2010 |
-6.4 |
2.2 |
-4.1 |
-0.8 |
7/2/2010 |
-5.0 |
5.4 |
7.7 |
12.3 |
8/5/2011 |
-7.2 |
-1.7 |
-2.1 |
7.2 |
9/23/2011 |
-6.5 |
-0.4 |
9.0 |
7.3 |
8/21/2015 |
-5.7 |
-- |
-- |
-- |
|
|
|
|
|
Average (1980-2015) |
0.5% |
1.7% |
5.0% |
|
Median |
|
1.1% |
1.8% |
5.5% |
% Positive |
|
61% |
61% |
71% |
Avg. All Weeks (+ or -) |
0.2% |
0.7% |
2.2% |