ASB vs ISTR: Correlation
Associated Banc-Corp (ASB) and Investar Holding Corporation (ISTR) show a strong relationship: their 3-year correlation of weekly returns is 0.75.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASB and ISTR?
On 3 years of weekly data the ASB/ISTR correlation comes out at 0.75, strong. The relationship has been stable: the 1-year correlation (0.70) sits close to the 3-year figure. The 5-year figure is 0.63, and annualized covariance runs at 702.4 %².
By 3-year correlation, ISTR places #29 of the 47 assets tracked against ASB. Over the last 12 months ISTR came out ahead by 13.8 percentage points (+18.5% against +32.3%).
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.
ASB vs ISTR: side by side
| ASB (Associated Banc-Corp) | ISTR (Investar Holding Corporation) | |
|---|---|---|
| 1-year return | +18.5% | +32.3% |
| 5-year return | +82.7% | +50.1% |
| Volatility (ann.) | 29.0% | 32.1% |
| Beta vs S&P 500 | 1.03 | 0.84 |
| Max drawdown (3Y) | -31.6% | -35.3% |
| Market cap | $5.8B | $0.4B |
| P/E (trailing) | 10.8 | 12.4 |
| Dividend yield | 3.08% | 1.50% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASB | ISTR |
|---|---|---|
| 2022 | +6.0% | +19.0% |
| 2023 | -2.9% | -28.6% |
| 2024 | +16.2% | +50.7% |
| 2025 | +11.8% | +24.2% |
| 2026 | +21.7% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASB and ISTR good diversifiers for each other?
Only partially. A correlation of 0.75 means ASB and ISTR 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 ASB and ISTR?
The ASB/ISTR correlation stands at 0.75 on a 3-year window (1 year: 0.70, 5 years: 0.63), computed from weekly returns as of 2026-08-27.
Is ISTR a good diversifier for ASB?
Only partially. A correlation of 0.75 means ASB and ISTR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.75 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/asb-vs-istr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/asb-vs-istr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ASB correlations · ISTR correlations
