FSS vs GNRC: Correlation
Federal Signal Corporation (FSS) and Generac (GNRC) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSS and GNRC?
Over the past 3 years, FSS and GNRC moved with a correlation of 0.56, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.45 versus 0.56 over 3 years. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 807.6 %².
Among the 15 assets we track against FSS, GNRC ranks #6 by 3-year correlation. Over the last 12 months GNRC came out ahead by 10.8 percentage points (-5.3% against +5.5%).
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.
FSS vs GNRC: side by side
| FSS (Federal Signal Corporation) | GNRC (Generac) | |
|---|---|---|
| 1-year return | -5.3% | +5.5% |
| 5-year return | +203.9% | -55.4% |
| Volatility (ann.) | 31.2% | 46.1% |
| Beta vs S&P 500 | 1.02 | 1.35 |
| Max drawdown (3Y) | -31.5% | -47.8% |
| Market cap | $7.3B | $11.6B |
| P/E (trailing) | 26.2 | 47.4 |
| Dividend yield | 0.48% | 0.00% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | FSS | GNRC |
|---|---|---|
| 2022 | +8.2% | -71.4% |
| 2023 | +66.3% | +28.4% |
| 2024 | +21.1% | +20.0% |
| 2025 | +18.2% | -12.0% |
| 2026 | +11.3% | +44.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSS and GNRC good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between FSS and GNRC?
Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.45 over the last year and 0.45 over 5 years.
Is GNRC a good diversifier for FSS?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 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/fss-vs-gnrc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fss-vs-gnrc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FSS correlations · GNRC correlations
