THFF vs WSBF: Correlation
How closely do First Financial Corporation (THFF) and Waterstone Financial, Inc. (WSBF) trade together? Their weekly returns over three years give a correlation of 0.76, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are THFF and WSBF?
On 3 years of weekly data the THFF/WSBF correlation comes out at 0.76, strong. Little has changed lately, as the 1-year reading of 0.73 lands near the 3-year figure. The 5-year figure is 0.70, and annualized covariance runs at 562.6 %².
Within THFF's tracked universe of 70 assets, WSBF comes in at #46 by 3-year correlation. The trailing year gives WSBF the advantage: +38.8% versus +49.9%, a 11.1-point spread.
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.
THFF vs WSBF: side by side
| THFF (First Financial Corporation) | WSBF (Waterstone Financial, Inc.) | |
|---|---|---|
| 1-year return | +38.8% | +49.9% |
| 5-year return | +135.2% | +33.3% |
| Volatility (ann.) | 28.2% | 26.2% |
| Beta vs S&P 500 | 0.81 | 0.61 |
| Max drawdown (3Y) | -20.2% | -26.5% |
| Market cap | $0.9B | $0.4B |
| P/E (trailing) | 11.1 | 12.1 |
| Dividend yield | 2.77% | 3.05% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | THFF | WSBF |
|---|---|---|
| 2022 | +4.4% | -15.8% |
| 2023 | -2.6% | -13.1% |
| 2024 | +11.1% | -0.9% |
| 2025 | +36.2% | +28.8% |
| 2026 | +35.0% | +30.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are THFF and WSBF good diversifiers for each other?
To a limited degree. At 0.76 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 THFF and WSBF?
The THFF/WSBF correlation stands at 0.76 on a 3-year window (1 year: 0.73, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is WSBF a good diversifier for THFF?
To a limited degree. At 0.76 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 0.76 mean?
A reading of 0.76 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
$ curl https://www.pairbook.io/api/v1/pairs/thff-vs-wsbf.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/thff-vs-wsbf/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: THFF correlations · WSBF correlations
