FSS vs KNSA: Correlation
Federal Signal Corporation (FSS) and Kiniksa Pharmaceuticals International, plc - Class A (KNSA) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSS and KNSA?
On 3 years of weekly data the FSS/KNSA correlation comes out at 0.38, moderate. The relationship has been stable: the 1-year correlation (0.34) sits close to the 3-year figure. The 5-year figure is 0.24, and annualized covariance runs at 541.1 %².
KNSA is close to the least connected end of FSS's tracked universe, ranking #11 of 15. The last year tells two different stories: KNSA led by 142.1 percentage points, -5.3% for FSS against +136.8% for KNSA.
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 KNSA: side by side
| FSS (Federal Signal Corporation) | KNSA (Kiniksa Pharmaceuticals International, plc - Class A) | |
|---|---|---|
| 1-year return | -5.3% | +136.8% |
| 5-year return | +203.9% | +550.9% |
| Volatility (ann.) | 31.2% | 46.0% |
| Beta vs S&P 500 | 1.02 | 0.55 |
| Max drawdown (3Y) | -31.5% | -34.1% |
| Market cap | $7.3B | $6.2B |
| P/E (trailing) | 26.2 | 79.8 |
| Dividend yield | 0.48% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FSS | KNSA |
|---|---|---|
| 2022 | +8.2% | +27.3% |
| 2023 | +66.3% | +17.1% |
| 2024 | +21.1% | +12.8% |
| 2025 | +18.2% | +108.5% |
| 2026 | +11.3% | +93.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSS and KNSA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FSS and KNSA?
The FSS/KNSA correlation stands at 0.38 on a 3-year window (1 year: 0.34, 5 years: 0.24), computed from weekly returns as of 2026-08-27.
Is KNSA a good diversifier for FSS?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 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
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Related comparisons
Hubs: FSS correlations · KNSA correlations
