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CWH vs MDY: Correlation

Measured on weekly returns over the past three years, Camping World Holdings, Inc. (CWH) and SPDR S&P MidCap 400 ETF (MDY) carry a correlation of 0.69, a strong link.

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

Correlation (3Y)
0.69
strong
Correlation (1Y)
0.62
last 12 months
Correlation (5Y)
0.62
long-run
Ann. covariance
688.7
%² · weekly, annualized

How correlated are CWH and MDY?

Across a 3-year window, the weekly returns of CWH and MDY correlate at 0.69, strong. The relationship has been stable: the 1-year correlation (0.62) sits close to the 3-year figure. Stretching to 5 years gives 0.62, with an annualized covariance of 688.7 %².

Within CWH's tracked universe of 28 assets, MDY comes in at #4 by 3-year correlation. The last year tells two different stories: MDY led by 81.3 percentage points, -63.0% for CWH against +18.3% for MDY. Risk is not evenly split, since CWH carries 3.7 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.

CWH vs MDY: side by side

CWH (Camping World Holdings, Inc.)MDY (SPDR S&P MidCap 400 ETF)
1-year return-63.0%+18.3%
5-year return-79.9%+47.5%
Volatility (ann.)60.7%16.5%
Beta vs S&P 5002.020.91
Max drawdown (3Y)-79.1%-24.0%
Market cap$0.4B
P/E (trailing)
Dividend yield3.84%1.02%
Expense ratio0.23%
Assets under management$26.5B
Sector / categoryUS ListedETF · US Small & Mid Cap
Higher yield: CWH 3.84% vs 1.02%Smaller drawdown: MDY -24.0% vs -79.1%Higher 5y return: MDY +47.5% vs -79.9%

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.

-68%0%+20%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CWH · MDY

Year-by-year returns

YearCWHMDY
2022-39.6%-13.3%
2023+25.1%+16.1%
2024-17.9%+13.6%
2025-52.2%+7.2%
2026-33.9%+16.4%

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

Are CWH and MDY good diversifiers for each other?

Only partially. A correlation of 0.69 means CWH and MDY share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between CWH and MDY?

As of 2026-08-27, the correlation of weekly returns between CWH and MDY is 0.69 over 3 years, 0.62 over 1 year and 0.62 over 5 years.

Is MDY a good diversifier for CWH?

Only partially. A correlation of 0.69 means CWH and MDY share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.69 mean?

On the −1 to +1 scale, 0.69 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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CWH vs MDY: 3-year weekly correlation 0.69CWH vs MDY0.69

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Hubs: CWH correlations · MDY correlations