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ASO vs MDY: Correlation

Academy Sports and Outdoors, Inc. (ASO) and SPDR S&P MidCap 400 ETF (MDY) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.48
last 12 months
Correlation (5Y)
0.54
long-run
Ann. covariance
358.4
%² · weekly, annualized

How correlated are ASO and MDY?

On 3 years of weekly data the ASO/MDY correlation comes out at 0.55, moderate. The relationship has been stable: the 1-year correlation (0.48) sits close to the 3-year figure. The 5-year figure is 0.54, and annualized covariance runs at 358.4 %².

Among the 16 assets we track against ASO, MDY ranks #4 by 3-year correlation. Correlation aside, the last 12 months split them widely, with MDY ahead by 41.8 points (-23.5% versus +18.3%). Risk is not evenly split, since ASO carries 2.4 times the volatility of the other side.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

ASO vs MDY: side by side

ASO (Academy Sports and Outdoors, Inc.)MDY (SPDR S&P MidCap 400 ETF)
1-year return-23.5%+18.3%
5-year return+2.0%+47.5%
Volatility (ann.)39.7%16.5%
Beta vs S&P 5001.260.91
Max drawdown (3Y)-54.2%-24.0%
Market cap$2.6B
P/E (trailing)7.7
Dividend yield1.29%1.02%
Expense ratio0.23%
Assets under management$26.5B
Sector / categoryUS ListedETF · US Small & Mid Cap
Higher yield: ASO 1.29% vs 1.02%Smaller drawdown: MDY -24.0% vs -54.2%Higher 5y return: MDY +47.5% vs +2.0%

MDY, State Street Investment Management's Mid-Cap Blend fund, carries $26.5B under management, 400 holdings, a 0.23% expense ratio, a 1.02% trailing dividend yield.

-15%0%+20%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ASO · MDY

Year-by-year returns

YearASOMDY
2022+20.6%-13.3%
2023+26.4%+16.1%
2024-12.2%+13.6%
2025-12.2%+7.2%
2026-14.2%+16.4%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are ASO and MDY good diversifiers for each other?

To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between ASO and MDY?

As of 2026-08-27, the correlation of weekly returns between ASO and MDY is 0.55 over 3 years, 0.48 over 1 year and 0.54 over 5 years.

Is MDY a good diversifier for ASO?

To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.55 mean?

On the −1 to +1 scale, 0.55 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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ASO vs MDY: 3-year weekly correlation 0.55ASO vs MDY0.55

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Hubs: ASO correlations · MDY correlations