PWR vs VTI: Correlation
Quanta Services (PWR) and Vanguard Total Stock Market ETF (VTI) 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 PWR and VTI?
Across a 3-year window, the weekly returns of PWR and VTI correlate at 0.56, moderate. The past 12 months show a weaker link (0.29) than the 3-year average (0.56). Stretching to 5 years gives 0.57, with an annualized covariance of 278.9 %².
By 3-year correlation, VTI places #16 of the 33 assets tracked against PWR. The last year tells two different stories: PWR led by 42.4 percentage points, +63.1% for PWR against +20.7% for VTI. Across three years, the rolling one-year figure varied moderately, from 0.26 to 0.73. One caveat on sizing: PWR is 2.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
PWR vs VTI: side by side
| PWR (Quanta Services) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +63.1% | +20.7% |
| 5-year return | +506.1% | +74.8% |
| Volatility (ann.) | 33.9% | 14.6% |
| Beta vs S&P 500 | 1.29 | 1.01 |
| Max drawdown (3Y) | -33.9% | -19.3% |
| Market cap | $93.5B | – |
| P/E (trailing) | 70.4 | – |
| Dividend yield | 0.07% | 1.06% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $2,290.0B |
| Sector / category | Industrials | ETF · US Large Cap |
VTI, Vanguard's Large Blend fund, carries $2,290.0B under management, 3140 holdings, a 0.03% expense ratio, a 1.06% trailing dividend yield.
Year-by-year returns
| Year | PWR | VTI |
|---|---|---|
| 2022 | +24.6% | -19.5% |
| 2023 | +51.7% | +26.0% |
| 2024 | +46.6% | +23.8% |
| 2025 | +33.7% | +17.1% |
| 2026 | +47.4% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.14% of VTI is PWR itself, so the fund partly moves with the stock by construction.
Are PWR and VTI 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 PWR and VTI?
As of 2026-08-27, the correlation of weekly returns between PWR and VTI is 0.56 over 3 years, 0.29 over 1 year and 0.57 over 5 years.
Is VTI a good diversifier for PWR?
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?
A reading of 0.56 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/pwr-vs-vti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pwr-vs-vti/)
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Related comparisons
Hubs: PWR correlations · VTI correlations
