BY vs NRIM: Correlation
Measured on weekly returns over the past three years, Byline Bancorp, Inc. (BY) and Northrim BanCorp Inc (NRIM) carry a correlation of 0.78, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BY and NRIM?
Across a 3-year window, the weekly returns of BY and NRIM correlate at 0.78, strong. Little has changed lately, as the 1-year reading of 0.71 lands near the 3-year figure. Stretching to 5 years gives 0.71, with an annualized covariance of 772.7 %².
Among the 70 assets we track against BY, NRIM ranks #40 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BY outperformed by 21.0 percentage points (+32.5% for BY against +11.5% for NRIM).
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.
BY vs NRIM: side by side
| BY (Byline Bancorp, Inc.) | NRIM (Northrim BanCorp Inc) | |
|---|---|---|
| 1-year return | +32.5% | +11.5% |
| 5-year return | +66.2% | +203.9% |
| Volatility (ann.) | 26.8% | 36.9% |
| Beta vs S&P 500 | 0.80 | 0.89 |
| Max drawdown (3Y) | -27.2% | -24.9% |
| Market cap | $1.7B | $0.6B |
| P/E (trailing) | 11.5 | 8.4 |
| Dividend yield | 1.15% | 1.25% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BY | NRIM |
|---|---|---|
| 2022 | -14.7% | +30.7% |
| 2023 | +4.3% | +10.4% |
| 2024 | +25.0% | +41.9% |
| 2025 | +2.0% | +40.5% |
| 2026 | +32.7% | -1.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BY and NRIM 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 BY and NRIM?
As of 2026-08-27, the correlation of weekly returns between BY and NRIM is 0.78 over 3 years, 0.71 over 1 year and 0.71 over 5 years.
Is NRIM a good diversifier for BY?
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?
A reading of 0.78 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/by-vs-nrim.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/by-vs-nrim/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BY correlations · NRIM correlations
