OPBK vs PFS: Correlation
How closely do OP Bancorp (OPBK) and Provident Financial Services, Inc (PFS) trade together? Their weekly returns over three years give a correlation of 0.70, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OPBK and PFS?
Across a 3-year window, the weekly returns of OPBK and PFS correlate at 0.70, strong. Lately the two have drifted apart, with the 1-year correlation at 0.58 versus 0.70 over 3 years. Stretching to 5 years gives 0.65, with an annualized covariance of 647.2 %².
By 3-year correlation, PFS places #4 of the 15 assets tracked against OPBK. The trailing year gives PFS the advantage: +10.6% versus +23.9%, a 13.3-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.
OPBK vs PFS: side by side
| OPBK (OP Bancorp) | PFS (Provident Financial Services, Inc) | |
|---|---|---|
| 1-year return | +10.6% | +23.9% |
| 5-year return | +86.0% | +37.5% |
| Volatility (ann.) | 30.2% | 30.4% |
| Beta vs S&P 500 | 0.65 | 0.87 |
| Max drawdown (3Y) | -41.8% | -31.3% |
| Market cap | $0.2B | $3.1B |
| P/E (trailing) | 7.7 | 9.8 |
| Dividend yield | 3.33% | 2.04% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OPBK | PFS |
|---|---|---|
| 2022 | -9.3% | -8.0% |
| 2023 | +3.2% | -10.8% |
| 2024 | +50.5% | +10.7% |
| 2025 | -7.4% | +10.2% |
| 2026 | +10.4% | +23.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OPBK and PFS good diversifiers for each other?
Only partially. A correlation of 0.70 means OPBK and PFS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between OPBK and PFS?
The OPBK/PFS correlation stands at 0.70 on a 3-year window (1 year: 0.58, 5 years: 0.65), computed from weekly returns as of 2026-08-27.
Is PFS a good diversifier for OPBK?
Only partially. A correlation of 0.70 means OPBK and PFS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.70 mean?
On the −1 to +1 scale, 0.70 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/opbk-vs-pfs.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/opbk-vs-pfs/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: OPBK correlations · PFS correlations
