APT vs FSEA: Correlation
Measured on weekly returns over the past three years, Alpha Pro Tech, Ltd. (APT) and First Seacoast Bancorp, Inc. (FSEA) carry a correlation of 0.46, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APT and FSEA?
Across a 3-year window, the weekly returns of APT and FSEA correlate at 0.46, moderate. The past 12 months show a tighter link (0.66) than the 3-year average (0.46). Stretching to 5 years gives 0.33, with an annualized covariance of 636.6 %².
FSEA is one of the assets that tracks APT most closely: it ranks #3 out of the 12 assets we track against APT. Their recent paths diverged sharply: over the last 12 months FSEA outperformed by 36.1 percentage points (+12.8% for APT against +48.9% for FSEA).
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.
APT vs FSEA: side by side
| APT (Alpha Pro Tech, Ltd.) | FSEA (First Seacoast Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +12.8% | +48.9% |
| 5-year return | -33.5% | +44.2% |
| Volatility (ann.) | 42.0% | 33.2% |
| Beta vs S&P 500 | 0.65 | 0.19 |
| Max drawdown (3Y) | -39.0% | -21.5% |
| Market cap | $0.1B | $0.1B |
| P/E (trailing) | 14.0 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | APT | FSEA |
|---|---|---|
| 2022 | -32.7% | -10.5% |
| 2023 | +31.6% | -32.7% |
| 2024 | +0.0% | +30.6% |
| 2025 | -16.1% | +31.5% |
| 2026 | +23.2% | +29.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APT and FSEA good diversifiers for each other?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between APT and FSEA?
Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.66 over the last year and 0.33 over 5 years.
Is FSEA a good diversifier for APT?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.46 mean?
A reading of 0.46 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/apt-vs-fsea.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/apt-vs-fsea/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: APT correlations · FSEA correlations
