EFSC vs FISI: Correlation
Measured on weekly returns over the past three years, Enterprise Financial Services Corporation (EFSC) and Financial Institutions, Inc. (FISI) 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 EFSC and FISI?
Across a 3-year window, the weekly returns of EFSC and FISI correlate at 0.83, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.74 over 1 year against 0.83 over 3. Stretching to 5 years gives 0.75, with an annualized covariance of 711.7 %².
Among the 23 assets we track against EFSC, FISI ranks #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months FISI outperformed by 49.0 percentage points (+5.3% for EFSC against +54.3% for FISI).
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.
EFSC vs FISI: side by side
| EFSC (Enterprise Financial Services Corporation) | FISI (Financial Institutions, Inc.) | |
|---|---|---|
| 1-year return | +5.3% | +54.3% |
| 5-year return | +59.0% | +65.6% |
| Volatility (ann.) | 26.9% | 31.9% |
| Beta vs S&P 500 | 0.66 | 0.93 |
| Max drawdown (3Y) | -25.0% | -27.8% |
| Market cap | $2.3B | $0.8B |
| P/E (trailing) | 12.6 | 10.1 |
| Dividend yield | 2.05% | 3.09% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EFSC | FISI |
|---|---|---|
| 2022 | +6.0% | -20.0% |
| 2023 | -6.6% | -6.8% |
| 2024 | +29.3% | +35.5% |
| 2025 | -2.1% | +19.5% |
| 2026 | +18.9% | +33.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFSC and FISI good diversifiers for each other?
No: a correlation of 0.83 means EFSC and FISI tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between EFSC and FISI?
Using weekly returns as of 2026-08-27: 0.83 over 3 years, with 0.74 over the last year and 0.75 over 5 years.
Is FISI a good diversifier for EFSC?
No: a correlation of 0.83 means EFSC and FISI tend to fall together, which is precisely when diversification is supposed to help.
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/efsc-vs-fisi.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/efsc-vs-fisi/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: EFSC correlations · FISI correlations
