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SFST vs STBA: Correlation

How closely do Southern First Bancshares, Inc. (SFST) and S&T Bancorp, Inc. (STBA) trade together? Their weekly returns over three years give a correlation of 0.77, which is strong.

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

Correlation (3Y)
0.77
strong
Correlation (1Y)
0.81
last 12 months
Correlation (5Y)
0.68
long-run
Ann. covariance
733.0
%² · weekly, annualized

How correlated are SFST and STBA?

Across a 3-year window, the weekly returns of SFST and STBA correlate at 0.77, strong. Recent behaviour matches the longer record: 0.81 over 1 year against 0.77 over 3. Stretching to 5 years gives 0.68, with an annualized covariance of 733.0 %².

Within SFST's tracked universe of 13 assets, STBA comes in at #5 by 3-year correlation. Over the last 12 months SFST came out ahead by 8.1 percentage points (+37.1% against +29.0%).

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.

SFST vs STBA: side by side

SFST (Southern First Bancshares, Inc.)STBA (S&T Bancorp, Inc.)
1-year return+37.1%+29.0%
5-year return+23.1%+102.2%
Volatility (ann.)33.3%28.7%
Beta vs S&P 5000.770.68
Max drawdown (3Y)-33.6%-26.1%
Market cap$0.6B$1.8B
P/E (trailing)13.313.3
Dividend yield0.00%1.44%
Sector / categoryUS ListedUS Listed
Higher yield: STBA 1.44% vs 0.00%Smaller drawdown: STBA -26.1% vs -33.6%Higher 5y return: STBA +102.2% vs +23.1%
-12%0%+43%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. SFST · STBA

Year-by-year returns

YearSFSTSTBA
2022-26.8%+12.6%
2023-18.9%+2.1%
2024+7.1%+18.7%
2025+29.6%+6.7%
2026+20.7%+29.7%

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

Are SFST and STBA good diversifiers for each other?

Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between SFST and STBA?

As of 2026-08-27, the correlation of weekly returns between SFST and STBA is 0.77 over 3 years, 0.81 over 1 year and 0.68 over 5 years.

Is STBA a good diversifier for SFST?

Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.77 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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SFST vs STBA: 3-year weekly correlation 0.77SFST vs STBA0.77

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Related comparisons

Hubs: SFST correlations · STBA correlations