BESS vs PWR: Correlation
Bimergen Energy Corporation (BESS) and Quanta Services (PWR) show a negative relationship: their 3-year correlation of weekly returns is -0.16.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BESS and PWR?
Over the past 3 years, BESS and PWR moved with a correlation of -0.16, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.07 over 1 year against -0.16 over 3. Over 5 years the correlation is -0.13, and the annualized covariance of weekly returns is -28034.2 %².
By 3-year correlation, PWR places #21 of the 51 assets tracked against BESS. The last year tells two different stories: PWR led by 113.5 percentage points, -50.4% for BESS against +63.1% for PWR. One caveat on sizing: BESS is 151.6 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.
BESS vs PWR: side by side
| BESS (Bimergen Energy Corporation) | PWR (Quanta Services) | |
|---|---|---|
| 1-year return | -50.4% | +63.1% |
| 5-year return | -87.7% | +506.1% |
| Volatility (ann.) | 5140.2% | 33.9% |
| Beta vs S&P 500 | 17.01 | 1.29 |
| Max drawdown (3Y) | -99.5% | -33.9% |
| Market cap | – | $93.5B |
| P/E (trailing) | – | 70.4 |
| Dividend yield | 0.00% | 0.07% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | BESS | PWR |
|---|---|---|
| 2022 | -30.0% | +24.6% |
| 2023 | -14.3% | +51.7% |
| 2024 | +16.7% | +46.6% |
| 2025 | +7.1% | +33.7% |
| 2026 | -70.5% | +47.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BESS and PWR good diversifiers for each other?
By historical standards, yes. A correlation of -0.16 means the two rarely move for the same reasons.
FAQ
What is the correlation between BESS and PWR?
As of 2026-08-27, the correlation of weekly returns between BESS and PWR is -0.16 over 3 years, -0.07 over 1 year and -0.13 over 5 years.
Is PWR a good diversifier for BESS?
By historical standards, yes. A correlation of -0.16 means the two rarely move for the same reasons.
What does a correlation of -0.16 mean?
A reading of -0.16 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/bess-vs-pwr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bess-vs-pwr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BESS correlations · PWR correlations