BESS vs WAB: Correlation
How closely do Bimergen Energy Corporation (BESS) and Wabtec (WAB) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BESS and WAB?
On 3 years of weekly data the BESS/WAB correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.01) runs above the 3-year figure (-0.22). The 5-year figure is -0.16, and annualized covariance runs at -28495.5 %².
By 3-year correlation, WAB places #28 of the 51 assets tracked against BESS. The last year tells two different stories: WAB led by 103.3 percentage points, -50.4% for BESS against +52.9% for WAB. One caveat on sizing: BESS is 203.2 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 WAB: side by side
| BESS (Bimergen Energy Corporation) | WAB (Wabtec) | |
|---|---|---|
| 1-year return | -50.4% | +52.9% |
| 5-year return | -87.7% | +241.0% |
| Volatility (ann.) | 5140.2% | 25.3% |
| Beta vs S&P 500 | 17.01 | 0.99 |
| Max drawdown (3Y) | -99.5% | -23.6% |
| Market cap | – | $50.2B |
| P/E (trailing) | – | 40.5 |
| Dividend yield | 0.00% | 0.37% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | BESS | WAB |
|---|---|---|
| 2022 | -30.0% | +9.1% |
| 2023 | -14.3% | +28.0% |
| 2024 | +16.7% | +50.1% |
| 2025 | +7.1% | +13.2% |
| 2026 | -70.5% | +39.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BESS and WAB good diversifiers for each other?
Yes. With a correlation of -0.22, BESS and WAB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BESS and WAB?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.01 over the last year and -0.16 over 5 years.
Is WAB a good diversifier for BESS?
Yes. With a correlation of -0.22, BESS and WAB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.22 mean?
On the −1 to +1 scale, -0.22 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bess-vs-wab.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bess-vs-wab/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BESS correlations · WAB correlations
