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BESS vs GRAL: Correlation

How closely do Bimergen Energy Corporation (BESS) and GRAIL, Inc. (GRAL) trade together? Their weekly returns over three years give a correlation of 0.45, which is moderate.

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

Correlation (3Y)
0.45
moderate
Correlation (1Y)
0.23
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
278305.4
%² · weekly, annualized

How correlated are BESS and GRAL?

Over the past 3 years, BESS and GRAL moved with a correlation of 0.45, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.23 versus 0.45 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 278305.4 %².

Among the 51 assets we track against BESS, GRAL ranks #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months GRAL outperformed by 195.7 percentage points (-50.4% for BESS against +145.3% for GRAL). Note the risk asymmetry: BESS runs 49.5 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 GRAL: side by side

BESS (Bimergen Energy Corporation)GRAL (GRAIL, Inc.)
1-year return-50.4%+145.3%
5-year return-87.7%n/a
Volatility (ann.)5140.2%103.8%
Beta vs S&P 50017.012.60
Max drawdown (3Y)-99.5%-62.9%
Market cap$3.7B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: GRAL -62.9% vs -99.5%
-61%0%+199%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BESS · GRAL

Year-by-year returns

YearBESSGRAL
2022-30.0%
2023-14.3%
2024+16.7%
2025+7.1%+379.5%
2026-70.5%-3.6%

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

Are BESS and GRAL good diversifiers for each other?

Reasonably. At 0.45, BESS and GRAL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BESS and GRAL?

The BESS/GRAL correlation stands at 0.45 on a 3-year window (1 year: 0.23, 5 years: n/a), computed from weekly returns as of 2026-08-27.

Is GRAL a good diversifier for BESS?

Reasonably. At 0.45, BESS and GRAL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.45 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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BESS vs GRAL: 3-year weekly correlation 0.45BESS vs GRAL0.45

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Hubs: BESS correlations · GRAL correlations