CATY vs TFSL: Correlation
How closely do Cathay General Bancorp (CATY) and TFS Financial Corporation (TFSL) trade together? Their weekly returns over three years give a correlation of 0.78, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CATY and TFSL?
Across a 3-year window, the weekly returns of CATY and TFSL correlate at 0.78, strong. Little has changed lately, as the 1-year reading of 0.75 lands near the 3-year figure. Stretching to 5 years gives 0.72, with an annualized covariance of 481.3 %².
By 3-year correlation, TFSL places #17 of the 28 assets tracked against CATY. On 12-month performance TFSL holds a 9.5-point edge, +26.7% against +36.2%.
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.
CATY vs TFSL: side by side
| CATY (Cathay General Bancorp) | TFSL (TFS Financial Corporation) | |
|---|---|---|
| 1-year return | +26.7% | +36.2% |
| 5-year return | +83.2% | +35.4% |
| Volatility (ann.) | 26.8% | 23.1% |
| Beta vs S&P 500 | 0.82 | 0.49 |
| Max drawdown (3Y) | -29.7% | -21.3% |
| Market cap | $4.1B | $5.0B |
| P/E (trailing) | 12.1 | 49.7 |
| Dividend yield | 2.39% | 6.31% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CATY | TFSL |
|---|---|---|
| 2022 | -2.1% | -13.0% |
| 2023 | +13.5% | +11.2% |
| 2024 | +10.3% | -6.7% |
| 2025 | +4.6% | +16.0% |
| 2026 | +30.2% | +39.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CATY and TFSL good diversifiers for each other?
To a limited degree. At 0.78 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 CATY and TFSL?
Using weekly returns as of 2026-08-27: 0.78 over 3 years, with 0.75 over the last year and 0.72 over 5 years.
Is TFSL a good diversifier for CATY?
To a limited degree. At 0.78 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 0.78 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
$ curl https://www.pairbook.io/api/v1/pairs/caty-vs-tfsl.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/caty-vs-tfsl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CATY correlations · TFSL correlations
