ISTR vs PFS: Correlation
Investar Holding Corporation (ISTR) and Provident Financial Services, Inc (PFS) show a strong relationship: their 3-year correlation of weekly returns is 0.74.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ISTR and PFS?
Over the past 3 years, ISTR and PFS moved with a correlation of 0.74, which is strong. The relationship has been stable: the 1-year correlation (0.71) sits close to the 3-year figure. Over 5 years the correlation is 0.60, and the annualized covariance of weekly returns is 726.4 %².
By 3-year correlation, PFS places #4 of the 12 assets tracked against ISTR. Over the last 12 months ISTR came out ahead by 8.4 percentage points (+32.3% against +23.9%).
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.
ISTR vs PFS: side by side
| ISTR (Investar Holding Corporation) | PFS (Provident Financial Services, Inc) | |
|---|---|---|
| 1-year return | +32.3% | +23.9% |
| 5-year return | +50.1% | +37.5% |
| Volatility (ann.) | 32.1% | 30.4% |
| Beta vs S&P 500 | 0.84 | 0.87 |
| Max drawdown (3Y) | -35.3% | -31.3% |
| Market cap | $0.4B | $3.1B |
| P/E (trailing) | 12.4 | 9.8 |
| Dividend yield | 1.50% | 2.04% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ISTR | PFS |
|---|---|---|
| 2022 | +19.0% | -8.0% |
| 2023 | -28.6% | -10.8% |
| 2024 | +50.7% | +10.7% |
| 2025 | +24.2% | +10.2% |
| 2026 | +14.2% | +23.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ISTR and PFS good diversifiers for each other?
Only partially. A correlation of 0.74 means ISTR 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 ISTR and PFS?
The ISTR/PFS correlation stands at 0.74 on a 3-year window (1 year: 0.71, 5 years: 0.60), computed from weekly returns as of 2026-08-27.
Is PFS a good diversifier for ISTR?
Only partially. A correlation of 0.74 means ISTR 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 0.74 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/istr-vs-pfs.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/istr-vs-pfs/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ISTR correlations · PFS correlations
