By |Published On: August 28th, 2015|Categories: Uncategorized|

How crazy is current market action?

Not that crazy.

…and if you lived through 2008, definitely not that crazy.

Seeing a -3%+ or a +3% observation is roughly a 1/100 event, or ~ 2.5 times a year. Obviously, return events are not independent and volatility tends to cluster, but the numbers above establish a basic starting point for discussions about daily return action.

Here we present daily total return data from the Ken French library:

  • Value-weight return of all CRSP firms incorporated in the US and listed on the NYSE, AMEX, or NASDAQ that have a CRSP share code of 10 or 11 (essentially ordinary common shares).

There are 23,509 daily return in total.

Daily Return Distribution:

Microsoft Excel - Histogram of CRSP Daily VW Returns.xlsm_2015-08-27_14-28-19


The results are hypothetical results and are NOT an indicator of future results and do NOT represent returns that any investor actually attained. Indexes are unmanaged, do not reflect management or trading fees, and one cannot invest directly in an index. Additional information regarding the construction of these results is available upon request.

Here are the specific stats:

Bucket Observations Frequency Cumulative
Less than -5.00% 59 0.25% 0.25%
-4.50% 20 0.09% 0.34%
-4.00% 31 0.13% 0.47%
-3.50% 46 0.20% 0.66%
-3.00% 85 0.36% 1.03%
-2.50% 164 0.70% 1.72%
-2.00% 289 1.23% 2.95%
-1.50% 547 2.33% 5.28%
-1.00% 1154 4.91% 10.19%
-0.50% 2566 10.91% 21.10%
0.00% 5599 23.82% 44.92%
0.50% 7048 29.98% 74.90%
1.00% 3416 14.53% 89.43%
1.50% 1331 5.66% 95.09%
2.00% 563 2.39% 97.49%
2.50% 237 1.01% 98.49%
3.00% 115 0.49% 98.98%
3.50% 69 0.29% 99.28%
4.00% 61 0.26% 99.54%
4.50% 37 0.16% 99.69%
5.00% 19 0.08% 99.77%
More than 5.00% 53 0.23% 100.00%


The results are hypothetical results and are NOT an indicator of future results and do NOT represent returns that any investor actually attained. Indexes are unmanaged, do not reflect management or trading fees, and one cannot invest directly in an index. Additional information regarding the construction of these results is available upon request.

How about drawdowns?

Daily returns are one thing–let’s review the top 40 stock market drawdowns over the past 90+ years.

  • VW CRSP = Value-weight CRSP universe of AMEX, NYSE, and Nasdaq stocks (Basically S&P 500).
  • LTR = 10-Year Total Return

Monthly returns, gross of fees, total returns (e.g., including dividends).

Rank Date Start Date End VW_CRSP LTR
1 8/30/1929 6/30/1932 -83.67% 14.29%
2 10/31/2007 2/28/2009 -50.37% 20.55%
3 2/27/1937 3/31/1938 -49.18% 0.22%
4 12/31/1972 9/30/1974 -46.46% -6.05%
5 8/31/2000 9/30/2002 -45.09% 33.46%
6 11/30/1968 6/30/1970 -33.56% -8.02%
7 8/31/1987 11/30/1987 -29.91% 2.55%
8 8/31/1932 2/28/1933 -28.47% 0.88%
9 4/30/1940 4/30/1942 -27.62% 6.99%
10 5/31/1946 5/29/1947 -23.85% 1.04%
11 12/31/1961 6/30/1962 -23.06% 3.97%
12 1/31/1934 7/31/1934 -18.34% 6.59%
13 8/31/1933 10/31/1933 -17.95% -0.68%
14 4/30/2011 9/30/2011 -17.71% 9.44%
15 6/30/1998 8/31/1998 -17.39% 3.70%
16 5/31/1990 10/31/1990 -16.97% 3.59%
17 11/30/1980 7/31/1982 -16.62% 17.87%
18 1/31/1966 9/30/1966 -15.45% -0.18%
19 7/31/1957 12/31/1957 -14.95% 8.86%
20 12/31/1938 4/29/1939 -14.33% 3.87%
21 4/30/2010 6/30/2010 -12.99% 4.68%
22 1/31/1980 3/31/1980 -11.98% -7.67%
23 8/31/1978 10/31/1978 -11.95% -3.04%
24 5/28/1948 11/30/1948 -10.88% -0.08%
25 6/30/1983 5/31/1984 -10.83% -2.59%
26 3/31/2000 5/31/2000 -9.64% -0.10%
27 12/31/1976 2/28/1978 -9.33% -1.45%
28 7/31/1956 2/28/1957 -8.37% -0.65%
29 8/31/1986 9/30/1986 -8.15% -2.07%
30 3/31/1936 4/30/1936 -8.02% 0.35%
31 12/31/1959 10/31/1960 -7.97% 11.44%
32 12/31/1947 2/28/1948 -7.94% 0.66%
33 6/30/1943 11/30/1943 -7.76% 0.36%
34 1/31/1994 6/30/1994 -7.60% -6.78%
35 12/31/1989 1/31/1990 -7.28% -1.99%
36 9/30/1979 10/31/1979 -7.23% -8.41%
37 3/31/2012 5/31/2012 -6.98% 4.23%
38 12/31/1952 8/31/1953 -6.95% -1.66%
39 12/31/1967 2/29/1968 -6.89% 2.94%
40 6/30/1999 9/30/1999 -6.37% 0.94%


The results are hypothetical results and are NOT an indicator of future results and do NOT represent returns that any investor actually attained. Indexes are unmanaged, do not reflect management or trading fees, and one cannot invest directly in an index. Additional information regarding the construction of these results is available upon request.

And here are the numbers outlined on a chart:

top 40 drawdowns in the stock market


The results are hypothetical results and are NOT an indicator of future results and do NOT represent returns that any investor actually attained. Indexes are unmanaged, do not reflect management or trading fees, and one cannot invest directly in an index. Additional information regarding the construction of these results is available upon request. 

Clearly, if you can’t handle volatility, you shouldn’t be in the stock market.

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About the Author: Wesley Gray, PhD

Wesley Gray, PhD
After serving as a Captain in the United States Marine Corps, Dr. Gray earned an MBA and a PhD in finance from the University of Chicago where he studied under Nobel Prize Winner Eugene Fama. Next, Wes took an academic job in his wife’s hometown of Philadelphia and worked as a finance professor at Drexel University. Dr. Gray’s interest in bridging the research gap between academia and industry led him to found Alpha Architect, an asset management firm dedicated to an impact mission of empowering investors through education. He is a contributor to multiple industry publications and regularly speaks to professional investor groups across the country. Wes has published multiple academic papers and four books, including Embedded (Naval Institute Press, 2009), Quantitative Value (Wiley, 2012), DIY Financial Advisor (Wiley, 2015), and Quantitative Momentum (Wiley, 2016). Dr. Gray currently resides in Palmas Del Mar Puerto Rico with his wife and three children. He recently finished the Leadville 100 ultramarathon race and promises to make better life decisions in the future.

Important Disclosures

For informational and educational purposes only and should not be construed as specific investment, accounting, legal, or tax advice. Certain information is deemed to be reliable, but its accuracy and completeness cannot be guaranteed. Third party information may become outdated or otherwise superseded without notice.  Neither the Securities and Exchange Commission (SEC) nor any other federal or state agency has approved, determined the accuracy, or confirmed the adequacy of this article.

The views and opinions expressed herein are those of the author and do not necessarily reflect the views of Alpha Architect, its affiliates or its employees. Our full disclosures are available here. Definitions of common statistics used in our analysis are available here (towards the bottom).

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