BSRR vs BY: Correlation
Measured on weekly returns over the past three years, Sierra Bancorp (BSRR) and Byline Bancorp, Inc. (BY) carry a correlation of 0.83, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BSRR and BY?
Across a 3-year window, the weekly returns of BSRR and BY correlate at 0.83, very strong, meaning they move nearly in lockstep. The past 12 months show a weaker link (0.67) than the 3-year average (0.83). Stretching to 5 years gives 0.80, with an annualized covariance of 707.1 %².
In BSRR's tracked universe of 14 assets, BY sits right near the top at #3. Neither side won the trailing year by much: +32.6% against +32.5%.
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.
BSRR vs BY: side by side
| BSRR (Sierra Bancorp) | BY (Byline Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +32.6% | +32.5% |
| 5-year return | +91.2% | +66.2% |
| Volatility (ann.) | 31.7% | 26.8% |
| Beta vs S&P 500 | 0.83 | 0.80 |
| Max drawdown (3Y) | -29.1% | -27.2% |
| Market cap | $0.5B | $1.7B |
| P/E (trailing) | 11.7 | 11.5 |
| Dividend yield | 2.63% | 1.15% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BSRR | BY |
|---|---|---|
| 2022 | -18.6% | -14.7% |
| 2023 | +11.5% | +4.3% |
| 2024 | +33.3% | +25.0% |
| 2025 | +17.0% | +2.0% |
| 2026 | +24.4% | +32.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BSRR and BY good diversifiers for each other?
Not really. At 0.83, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between BSRR and BY?
Using weekly returns as of 2026-08-27: 0.83 over 3 years, with 0.67 over the last year and 0.80 over 5 years.
Is BY a good diversifier for BSRR?
Not really. At 0.83, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.83 mean?
A reading of 0.83 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/bsrr-vs-by.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bsrr-vs-by/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BSRR correlations · BY correlations