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MRKR vs SPY: Correlation

How closely do Marker Therapeutics, Inc. (MRKR) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.31, which is moderate.

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

Correlation (3Y)
0.31
moderate
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.19
long-run
Ann. covariance
400.6
%² · weekly, annualized

How correlated are MRKR and SPY?

Across a 3-year window, the weekly returns of MRKR and SPY correlate at 0.31, moderate. Little has changed lately, as the 1-year reading of 0.27 lands near the 3-year figure. Stretching to 5 years gives 0.19, with an annualized covariance of 400.6 %².

Out of 12 assets tracked against MRKR, SPY lands near the bottom at #8. The last year tells two different stories: MRKR led by 34.7 percentage points, +55.3% for MRKR against +20.6% for SPY. Note the risk asymmetry: MRKR runs 6.1 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.

MRKR vs SPY: side by side

MRKR (Marker Therapeutics, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+55.3%+20.6%
5-year return-92.3%+82.4%
Volatility (ann.)88.6%14.5%
Beta vs S&P 5001.921.00
Max drawdown (3Y)-86.2%-18.8%
Market cap
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 -86.2%Higher 5y return: SPY +82.4% vs -92.3%

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.

-4%0%+133%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. MRKR · SPY

Year-by-year returns

YearMRKRSPY
2022-71.6%-18.2%
2023+103.7%+26.2%
2024-43.5%+24.9%
2025-52.1%+17.7%
2026-2.0%+13.7%

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

Are MRKR and SPY good diversifiers for each other?

A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between MRKR and SPY?

As of 2026-08-27, the correlation of weekly returns between MRKR and SPY is 0.31 over 3 years, 0.27 over 1 year and 0.19 over 5 years.

Is SPY a good diversifier for MRKR?

A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.31 mean?

On the −1 to +1 scale, 0.31 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.

Use this data

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MRKR vs SPY: 3-year weekly correlation 0.31MRKR vs SPY0.31

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Hubs: MRKR correlations · SPY correlations