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BESS vs IRM: Correlation

Measured on weekly returns over the past three years, Bimergen Energy Corporation (BESS) and Iron Mountain (IRM) carry a correlation of -0.20, a negative link.

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

Correlation (3Y)
-0.20
negative
Correlation (1Y)
-0.07
last 12 months
Correlation (5Y)
-0.15
long-run
Ann. covariance
-31813.0
%² · weekly, annualized

How correlated are BESS and IRM?

On 3 years of weekly data the BESS/IRM correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.07) runs above the 3-year figure (-0.20). The 5-year figure is -0.15, and annualized covariance runs at -31813.0 %².

By 3-year correlation, IRM places #25 of the 51 assets tracked against BESS. Correlation aside, the last 12 months split them widely, with IRM ahead by 88.5 points (-50.4% versus +38.1%). Note the risk asymmetry: BESS runs 166.9 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 IRM: side by side

BESS (Bimergen Energy Corporation)IRM (Iron Mountain)
1-year return-50.4%+38.1%
5-year return-87.7%+219.3%
Volatility (ann.)5140.2%30.8%
Beta vs S&P 50017.010.96
Max drawdown (3Y)-99.5%-39.0%
Market cap$36.5B
P/E (trailing)86.4
Dividend yield0.00%2.78%
Sector / categoryUS ListedReal Estate
Higher yield: IRM 2.78% vs 0.00%Smaller drawdown: IRM -39.0% vs -99.5%Higher 5y return: IRM +219.3% 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 · IRM

Year-by-year returns

YearBESSIRM
2022-30.0%-0.1%
2023-14.3%+46.5%
2024+16.7%+54.5%
2025+7.1%-18.2%
2026-70.5%+50.1%

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

Are BESS and IRM good diversifiers for each other?

Yes. With a correlation of -0.20, BESS and IRM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between BESS and IRM?

As of 2026-08-27, the correlation of weekly returns between BESS and IRM is -0.20 over 3 years, -0.07 over 1 year and -0.15 over 5 years.

Is IRM a good diversifier for BESS?

Yes. With a correlation of -0.20, BESS and IRM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.20 mean?

On the −1 to +1 scale, -0.20 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.

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BESS vs IRM: 3-year weekly correlation -0.20BESS vs IRM-0.20

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Hubs: BESS correlations · IRM correlations