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MKTW vs SPY: Correlation

Measured on weekly returns over the past three years, MarketWise, Inc. (MKTW) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.19, a weak link.

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

Correlation (3Y)
0.19
weak
Correlation (1Y)
-0.02
last 12 months
Correlation (5Y)
0.28
long-run
Ann. covariance
172.7
%² · weekly, annualized

How correlated are MKTW and SPY?

Over the past 3 years, MKTW and SPY moved with a correlation of 0.19, which is weak. The link has loosened recently: the 1-year correlation (-0.02) runs below the 3-year figure (0.19). Over 5 years the correlation is 0.28, and the annualized covariance of weekly returns is 172.7 %².

Among the 10 assets we track against MKTW, SPY sits near the bottom by co-movement, at rank #7. Over the last 12 months SPY came out ahead by 9.6 percentage points (+11.0% against +20.6%). Note the risk asymmetry: MKTW runs 4.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

MKTW vs SPY: side by side

MKTW (MarketWise, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+11.0%+20.6%
5-year return-85.0%+82.4%
Volatility (ann.)63.2%14.5%
Beta vs S&P 5000.831.00
Max drawdown (3Y)-85.2%-18.8%
Market cap
P/E (trailing)19.8
Dividend yield5.08%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: MKTW 5.08% vs 1.01%Smaller drawdown: SPY -18.8% vs -85.2%Higher 5y return: SPY +82.4% vs -85.0%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-23%0%+22%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. MKTW · SPY

Year-by-year returns

YearMKTWSPY
2022-77.7%-18.2%
2023+75.8%+26.2%
2024-78.2%+24.9%
2025+50.2%+17.7%
2026+28.6%+13.7%

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

Are MKTW and SPY good diversifiers for each other?

Yes: at 0.19, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between MKTW and SPY?

As of 2026-08-27, the correlation of weekly returns between MKTW and SPY is 0.19 over 3 years, -0.02 over 1 year and 0.28 over 5 years.

Is SPY a good diversifier for MKTW?

Yes: at 0.19, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of 0.19 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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MKTW vs SPY: 3-year weekly correlation 0.19MKTW vs SPY0.19

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Hubs: MKTW correlations · SPY correlations