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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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.03
last 12 months
Correlation (5Y)
-0.17
long-run
Ann. covariance
-40522.3
%² · weekly, annualized

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 50017.010.95
Max drawdown (3Y)-99.5%-46.4%
Market cap$1.2B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PDM -46.4% vs -99.5%Higher 5y return: PDM -29.9% vs -87.7%
-61%0%+80%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BESS · PDM

Year-by-year returns

YearBESSPDM
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.

Use this data

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BESS vs PDM: 3-year weekly correlation -0.22BESS vs PDM-0.22

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Related comparisons

Hubs: BESS correlations · PDM correlations