FIBK vs USB: Correlation
How closely do First Interstate BancSystem, Inc. (FIBK) and U.S. Bancorp (USB) trade together? Their weekly returns over three years give a correlation of 0.82, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FIBK and USB?
Over the past 3 years, FIBK and USB moved with a correlation of 0.82, which is very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.82 over 1 year against 0.82 over 3. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 681.0 %².
Within FIBK's tracked universe of 20 assets, USB comes in at #8 by 3-year correlation. On 12-month performance USB holds a 11.2-point edge, +21.9% against +33.1%.
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.
FIBK vs USB: side by side
| FIBK (First Interstate BancSystem, Inc.) | USB (U.S. Bancorp) | |
|---|---|---|
| 1-year return | +21.9% | +33.1% |
| 5-year return | +13.8% | +36.0% |
| Volatility (ann.) | 30.3% | 27.3% |
| Beta vs S&P 500 | 0.98 | 1.09 |
| Max drawdown (3Y) | -31.8% | -30.6% |
| Market cap | $3.6B | $97.2B |
| P/E (trailing) | 11.5 | 12.5 |
| Dividend yield | 5.05% | 3.31% |
| Sector / category | US Listed | Financials |
Year-by-year returns
| Year | FIBK | USB |
|---|---|---|
| 2022 | -0.8% | -19.1% |
| 2023 | -14.8% | +4.8% |
| 2024 | +12.9% | +15.6% |
| 2025 | +13.5% | +16.5% |
| 2026 | +11.8% | +19.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FIBK and USB good diversifiers for each other?
No: a correlation of 0.82 means FIBK and USB tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between FIBK and USB?
The FIBK/USB correlation stands at 0.82 on a 3-year window (1 year: 0.82, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is USB a good diversifier for FIBK?
No: a correlation of 0.82 means FIBK and USB tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.82 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/fibk-vs-usb.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fibk-vs-usb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FIBK correlations · USB correlations
