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HE vs STBA: Correlation

Hawaiian Electric Industries, Inc. (HE) and S&T Bancorp, Inc. (STBA) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.

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

Correlation (3Y)
0.54
moderate
Correlation (1Y)
0.38
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
912.8
%² · weekly, annualized

How correlated are HE and STBA?

On 3 years of weekly data the HE/STBA correlation comes out at 0.54, moderate. The link has loosened recently: the 1-year correlation (0.38) runs below the 3-year figure (0.54). The 5-year figure is 0.44, and annualized covariance runs at 912.8 %².

Within HE's tracked universe of 18 assets, STBA comes in at #4 by 3-year correlation. Correlation aside, the last 12 months split them widely, with STBA ahead by 38.1 points (-9.1% versus +29.0%). Risk is not evenly split, since HE carries 2.0 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.

HE vs STBA: side by side

HE (Hawaiian Electric Industries, Inc.)STBA (S&T Bancorp, Inc.)
1-year return-9.1%+29.0%
5-year return-71.4%+102.2%
Volatility (ann.)58.8%28.7%
Beta vs S&P 5000.090.68
Max drawdown (3Y)-53.3%-26.1%
Market cap$2.0B$1.8B
P/E (trailing)8.913.3
Dividend yield0.00%1.44%
Sector / categoryUS ListedUS Listed
Lower P/E: HE 8.9 vs 13.3Higher yield: STBA 1.44% vs 0.00%Smaller drawdown: STBA -26.1% vs -53.3%Higher 5y return: STBA +102.2% vs -71.4%
-12%0%+39%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. HE · STBA

Year-by-year returns

YearHESTBA
2022+4.3%+12.6%
2023-64.6%+2.1%
2024-31.4%+18.7%
2025+26.4%+6.7%
2026-6.8%+29.7%

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

Are HE and STBA good diversifiers for each other?

To a limited degree. At 0.54 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 HE and STBA?

Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.38 over the last year and 0.44 over 5 years.

Is STBA a good diversifier for HE?

To a limited degree. At 0.54 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 0.54 mean?

A reading of 0.54 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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HE vs STBA: 3-year weekly correlation 0.54HE vs STBA0.54

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Related comparisons

Hubs: HE correlations · STBA correlations