FIX vs POWL: Correlation
Measured on weekly returns over the past three years, Comfort Systems USA (FIX) and Powell Industries, Inc. (POWL) carry a correlation of 0.62, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FIX and POWL?
Over the past 3 years, FIX and POWL moved with a correlation of 0.62, which is strong. Recent behaviour matches the longer record: 0.66 over 1 year against 0.62 over 3. Over 5 years the correlation is 0.52, and the annualized covariance of weekly returns is 2107.4 %².
By 3-year correlation, POWL places #14 of the 37 assets tracked against FIX. Correlation aside, the last 12 months split them widely, with FIX ahead by 17.0 points (+128.0% versus +111.0%). Note the risk asymmetry: POWL runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
FIX vs POWL: side by side
| FIX (Comfort Systems USA) | POWL (Powell Industries, Inc.) | |
|---|---|---|
| 1-year return | +128.0% | +111.0% |
| 5-year return | +2077.9% | +2360.3% |
| Volatility (ann.) | 47.4% | 71.5% |
| Beta vs S&P 500 | 1.74 | 1.95 |
| Max drawdown (3Y) | -46.0% | -55.8% |
| Market cap | $56.8B | $7.0B |
| P/E (trailing) | 39.8 | 36.8 |
| Dividend yield | 0.16% | 0.19% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | FIX | POWL |
|---|---|---|
| 2022 | +17.0% | +24.3% |
| 2023 | +79.6% | +155.6% |
| 2024 | +106.9% | +152.2% |
| 2025 | +120.9% | +44.5% |
| 2026 | +73.3% | +81.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FIX and POWL good diversifiers for each other?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between FIX and POWL?
The FIX/POWL correlation stands at 0.62 on a 3-year window (1 year: 0.66, 5 years: 0.52), computed from weekly returns as of 2026-08-27.
Is POWL a good diversifier for FIX?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.62 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/fix-vs-powl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fix-vs-powl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FIX correlations · POWL correlations
