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AEE vs STTK: Correlation

How closely do Ameren (AEE) and Shattuck Labs, Inc. (STTK) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.

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

Correlation (3Y)
-0.21
negative
Correlation (1Y)
-0.08
last 12 months
Correlation (5Y)
-0.13
long-run
Ann. covariance
-548.5
%² · weekly, annualized

How correlated are AEE and STTK?

Over the past 3 years, AEE and STTK moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.08) than the 3-year average (-0.21). Over 5 years the correlation is -0.13, and the annualized covariance of weekly returns is -548.5 %².

Among the 35 assets we track against AEE, STTK ranks #30 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months STTK outperformed by 656.2 percentage points (+8.8% for AEE against +665.0% for STTK). Note the risk asymmetry: STTK runs 8.1 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.

AEE vs STTK: side by side

AEE (Ameren)STTK (Shattuck Labs, Inc.)
1-year return+8.8%+665.0%
5-year return+39.7%-63.7%
Volatility (ann.)17.8%145.0%
Beta vs S&P 5000.102.32
Max drawdown (3Y)-16.5%-93.5%
Market cap$29.6B$0.8B
P/E (trailing)19.0
Dividend yield2.71%0.00%
Sector / categoryUtilitiesUS Listed
Higher yield: AEE 2.71% vs 0.00%Smaller drawdown: AEE -16.5% vs -93.5%Higher 5y return: AEE +39.7% vs -63.7%
-2%0%+399%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AEE · STTK

Year-by-year returns

YearAEESTTK
2022+2.5%-73.0%
2023-16.1%+210.0%
2024+27.5%-83.0%
2025+15.3%+201.7%
2026+8.4%+109.6%

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

Are AEE and STTK good diversifiers for each other?

Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between AEE and STTK?

As of 2026-08-27, the correlation of weekly returns between AEE and STTK is -0.21 over 3 years, -0.08 over 1 year and -0.13 over 5 years.

Is STTK a good diversifier for AEE?

Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.21 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.

Use this data

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AEE vs STTK: 3-year weekly correlation -0.21AEE vs STTK-0.21

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Hubs: AEE correlations · STTK correlations