BFST vs PKBK: Correlation
Measured on weekly returns over the past three years, Business First Bancshares, Inc. (BFST) and Parke Bancorp, Inc. (PKBK) carry a correlation of 0.80, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BFST and PKBK?
On 3 years of weekly data the BFST/PKBK correlation comes out at 0.80, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.79 over 1 year against 0.80 over 3. The 5-year figure is 0.68, and annualized covariance runs at 650.1 %².
Among the 19 assets we track against BFST, PKBK ranks #7 by 3-year correlation. The last year tells two different stories: PKBK led by 26.5 percentage points, +25.6% for BFST against +52.1% for PKBK.
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.
BFST vs PKBK: side by side
| BFST (Business First Bancshares, Inc.) | PKBK (Parke Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +25.6% | +52.1% |
| 5-year return | +47.5% | +97.5% |
| Volatility (ann.) | 29.7% | 27.2% |
| Beta vs S&P 500 | 0.82 | 0.68 |
| Max drawdown (3Y) | -27.3% | -26.3% |
| Market cap | $1.0B | $0.4B |
| P/E (trailing) | 11.1 | 8.8 |
| Dividend yield | 1.93% | 2.19% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BFST | PKBK |
|---|---|---|
| 2022 | -20.2% | +0.4% |
| 2023 | +14.4% | +1.7% |
| 2024 | +6.9% | +5.4% |
| 2025 | +4.0% | +26.6% |
| 2026 | +21.3% | +36.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BFST and PKBK good diversifiers for each other?
No. With a correlation of 0.80, BFST and PKBK move nearly in lockstep, so holding both adds very little diversification.
FAQ
What is the correlation between BFST and PKBK?
The BFST/PKBK correlation stands at 0.80 on a 3-year window (1 year: 0.79, 5 years: 0.68), computed from weekly returns as of 2026-08-27.
Is PKBK a good diversifier for BFST?
No. With a correlation of 0.80, BFST and PKBK move nearly in lockstep, so holding both adds very little diversification.
What does a correlation of 0.80 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.
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Related comparisons
Hubs: BFST correlations · PKBK correlations
