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MATW vs MDY: Correlation

How closely do Matthews International Corporation (MATW) and SPDR S&P MidCap 400 ETF (MDY) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.

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

Correlation (3Y)
0.52
moderate
Correlation (1Y)
0.40
last 12 months
Correlation (5Y)
0.54
long-run
Ann. covariance
309.2
%² · weekly, annualized

How correlated are MATW and MDY?

On 3 years of weekly data the MATW/MDY correlation comes out at 0.52, moderate. The link has loosened recently: the 1-year correlation (0.40) runs below the 3-year figure (0.52). The 5-year figure is 0.54, and annualized covariance runs at 309.2 %².

MDY is one of the assets that tracks MATW most closely: it ranks #1 out of the 12 assets we track against MATW. Their recent paths diverged sharply: over the last 12 months MDY outperformed by 26.9 percentage points (-8.6% for MATW against +18.3% for MDY). Risk is not evenly split, since MATW carries 2.2 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.

MATW vs MDY: side by side

MATW (Matthews International Corporation)MDY (SPDR S&P MidCap 400 ETF)
1-year return-8.6%+18.3%
5-year return-30.2%+47.5%
Volatility (ann.)36.3%16.5%
Beta vs S&P 5000.870.91
Max drawdown (3Y)-54.7%-24.0%
Market cap$0.7B
P/E (trailing)
Dividend yield4.73%1.02%
Expense ratio0.23%
Assets under management$26.5B
Sector / categoryUS ListedETF · US Small & Mid Cap
Higher yield: MATW 4.73% vs 1.02%Smaller drawdown: MDY -24.0% vs -54.7%Higher 5y return: MDY +47.5% vs -30.2%

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.

-12%0%+20%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. MATW · MDY

Year-by-year returns

YearMATWMDY
2022-14.5%-13.3%
2023+23.4%+16.1%
2024-21.9%+13.6%
2025-1.5%+7.2%
2026-17.1%+16.4%

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

Are MATW and MDY good diversifiers for each other?

To a limited degree. At 0.52 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 MATW and MDY?

The MATW/MDY correlation stands at 0.52 on a 3-year window (1 year: 0.40, 5 years: 0.54), computed from weekly returns as of 2026-08-27.

Is MDY a good diversifier for MATW?

To a limited degree. At 0.52 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 0.52 mean?

A reading of 0.52 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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MATW vs MDY: 3-year weekly correlation 0.52MATW vs MDY0.52

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Hubs: MATW correlations · MDY correlations