BESS vs PDM: Correlation
Bimergen Energy Corporation (BESS) and Piedmont Realty Trust, Inc. (PDM) show a negative relationship: their 3-year correlation of weekly returns is -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BESS and PDM?
Across a 3-year window, the weekly returns of BESS and PDM correlate at -0.22, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.03) than the 3-year average (-0.22). Stretching to 5 years gives -0.17, with an annualized covariance of -40522.3 %².
Among the 51 assets we track against BESS, PDM ranks #27 by 3-year correlation. The last year tells two different stories: PDM led by 66.4 percentage points, -50.4% for BESS against +16.0% for PDM. One caveat on sizing: BESS is 145.6 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 PDM: side by side
| BESS (Bimergen Energy Corporation) | PDM (Piedmont Realty Trust, Inc.) | |
|---|---|---|
| 1-year return | -50.4% | +16.0% |
| 5-year return | -87.7% | -29.9% |
| Volatility (ann.) | 5140.2% | 35.3% |
| Beta vs S&P 500 | 17.01 | 0.95 |
| Max drawdown (3Y) | -99.5% | -46.4% |
| Market cap | – | $1.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BESS | PDM |
|---|---|---|
| 2022 | -30.0% | -46.8% |
| 2023 | -14.3% | -14.8% |
| 2024 | +16.7% | +37.2% |
| 2025 | +7.1% | -7.3% |
| 2026 | -70.5% | +16.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BESS and PDM good diversifiers for each other?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BESS and PDM?
The BESS/PDM correlation stands at -0.22 on a 3-year window (1 year: -0.03, 5 years: -0.17), computed from weekly returns as of 2026-08-27.
Is PDM a good diversifier for BESS?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.22 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.
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Related comparisons
Hubs: BESS correlations · PDM correlations