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MGNX vs SPY: Correlation

Measured on weekly returns over the past three years, MacroGenics, Inc. (MGNX) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.26, a weak link.

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

Correlation (3Y)
0.26
weak
Correlation (1Y)
0.04
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
360.3
%² · weekly, annualized

How correlated are MGNX and SPY?

On 3 years of weekly data the MGNX/SPY correlation comes out at 0.26, weak. The past 12 months show a weaker link (0.04) than the 3-year average (0.26). The 5-year figure is 0.29, and annualized covariance runs at 360.3 %².

By 3-year correlation, SPY places #6 of the 14 assets tracked against MGNX. The last year tells two different stories: MGNX led by 116.6 percentage points, +137.2% for MGNX against +20.6% for SPY. One caveat on sizing: MGNX is 6.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

MGNX vs SPY: side by side

MGNX (MacroGenics, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+137.2%+20.6%
5-year return-82.5%+82.4%
Volatility (ann.)96.3%14.5%
Beta vs S&P 5001.721.00
Max drawdown (3Y)-95.1%-18.8%
Market cap$0.3B
P/E (trailing)
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -95.1%Higher 5y return: SPY +82.4% vs -82.5%

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.

-32%0%+140%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. MGNX · SPY

Year-by-year returns

YearMGNXSPY
2022-58.2%-18.2%
2023+43.4%+26.2%
2024-66.2%+24.9%
2025-50.5%+17.7%
2026+153.4%+13.7%

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

Are MGNX and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between MGNX and SPY?

As of 2026-08-27, the correlation of weekly returns between MGNX and SPY is 0.26 over 3 years, 0.04 over 1 year and 0.29 over 5 years.

Is SPY a good diversifier for MGNX?

Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.26 mean?

A reading of 0.26 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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MGNX vs SPY: 3-year weekly correlation 0.26MGNX vs SPY0.26

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Hubs: MGNX correlations · SPY correlations