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BESS vs CMCO: Correlation

Bimergen Energy Corporation (BESS) and Columbus McKinnon Corporation (CMCO) show a negative relationship: their 3-year correlation of weekly returns is -0.46.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.46
negative
Correlation (1Y)
0.06
last 12 months
Correlation (5Y)
-0.40
long-run
Ann. covariance
-118990.6
%² · weekly, annualized

How correlated are BESS and CMCO?

On 3 years of weekly data the BESS/CMCO correlation comes out at -0.46, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.06) than the 3-year average (-0.46). The 5-year figure is -0.40, and annualized covariance runs at -118990.6 %².

Among the 51 assets we track against BESS, CMCO sits near the bottom by co-movement, at rank #49. The last year tells two different stories: CMCO led by 73.7 percentage points, -50.4% for BESS against +23.3% for CMCO. Note the risk asymmetry: BESS runs 102.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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 CMCO: side by side

BESS (Bimergen Energy Corporation)CMCO (Columbus McKinnon Corporation)
1-year return-50.4%+23.3%
5-year return-87.7%-58.0%
Volatility (ann.)5140.2%50.1%
Beta vs S&P 50017.011.42
Max drawdown (3Y)-99.5%-72.8%
Market cap$0.5B
P/E (trailing)
Dividend yield0.00%1.56%
Sector / categoryUS ListedUS Listed
Higher yield: CMCO 1.56% vs 0.00%Smaller drawdown: CMCO -72.8% vs -99.5%Higher 5y return: CMCO -58.0% vs -87.7%
-61%0%+80%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BESS · CMCO

Year-by-year returns

YearBESSCMCO
2022-30.0%-29.3%
2023-14.3%+21.1%
2024+16.7%-3.9%
2025+7.1%-52.9%
2026-70.5%+7.8%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are BESS and CMCO good diversifiers for each other?

Yes: at -0.46, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between BESS and CMCO?

Using weekly returns as of 2026-08-27: -0.46 over 3 years, with 0.06 over the last year and -0.40 over 5 years.

Is CMCO a good diversifier for BESS?

Yes: at -0.46, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.46 mean?

A reading of -0.46 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

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BESS vs CMCO: 3-year weekly correlation -0.46BESS vs CMCO-0.46

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Related comparisons

Hubs: BESS correlations · CMCO correlations