DY vs PWR: Correlation
How closely do Dycom Industries, Inc. (DY) and Quanta Services (PWR) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DY and PWR?
Across a 3-year window, the weekly returns of DY and PWR correlate at 0.50, moderate. The relationship has been stable: the 1-year correlation (0.43) sits close to the 3-year figure. Stretching to 5 years gives 0.52, with an annualized covariance of 733.8 %².
PWR is one of the assets that tracks DY most closely: it ranks #2 out of the 11 assets we track against DY. Correlation aside, the last 12 months split them widely, with PWR ahead by 42.6 points (+20.5% versus +63.1%).
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.
DY vs PWR: side by side
| DY (Dycom Industries, Inc.) | PWR (Quanta Services) | |
|---|---|---|
| 1-year return | +20.5% | +63.1% |
| 5-year return | +304.3% | +506.1% |
| Volatility (ann.) | 43.4% | 33.9% |
| Beta vs S&P 500 | 0.97 | 1.29 |
| Max drawdown (3Y) | -42.4% | -33.9% |
| Market cap | $9.3B | $93.5B |
| P/E (trailing) | 28.4 | 70.4 |
| Dividend yield | 0.00% | 0.07% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | DY | PWR |
|---|---|---|
| 2022 | -0.2% | +24.6% |
| 2023 | +23.0% | +51.7% |
| 2024 | +51.2% | +46.6% |
| 2025 | +94.1% | +33.7% |
| 2026 | -8.8% | +47.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DY and PWR good diversifiers for each other?
Only partially. A correlation of 0.50 means DY and PWR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between DY and PWR?
The DY/PWR correlation stands at 0.50 on a 3-year window (1 year: 0.43, 5 years: 0.52), computed from weekly returns as of 2026-08-27.
Is PWR a good diversifier for DY?
Only partially. A correlation of 0.50 means DY and PWR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.50 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/dy-vs-pwr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/dy-vs-pwr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DY correlations · PWR correlations
