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BESS vs MBRX: Correlation

How closely do Bimergen Energy Corporation (BESS) and Moleculin Biotech, Inc. (MBRX) trade together? Their weekly returns over three years give a correlation of 0.64, which is strong.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.24
last 12 months
Correlation (5Y)
0.61
long-run
Ann. covariance
524967.8
%² · weekly, annualized

How correlated are BESS and MBRX?

Over the past 3 years, BESS and MBRX moved with a correlation of 0.64, which is strong. Lately the two have drifted apart, with the 1-year correlation at 0.24 versus 0.64 over 3 years. Over 5 years the correlation is 0.61, and the annualized covariance of weekly returns is 524967.8 %².

Few assets follow BESS as closely as MBRX, which ranks #3 of 51 tracked partners. The last year tells two different stories: BESS led by 45.1 percentage points, -50.4% for BESS against -95.5% for MBRX. Note the risk asymmetry: BESS runs 32.0 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 MBRX: side by side

BESS (Bimergen Energy Corporation)MBRX (Moleculin Biotech, Inc.)
1-year return-50.4%-95.5%
5-year return-87.7%-99.9%
Volatility (ann.)5140.2%160.4%
Beta vs S&P 50017.011.10
Max drawdown (3Y)-99.5%-99.9%
Market cap
P/E (trailing)0.0
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: BESS -99.5% vs -99.9%Higher 5y return: BESS -87.7% vs -99.9%
-96%0%+80%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BESS · MBRX

Year-by-year returns

YearBESSMBRX
2022-30.0%-43.0%
2023-14.3%-19.1%
2024+16.7%-86.8%
2025+7.1%-92.2%
2026-70.5%-79.2%

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

Are BESS and MBRX good diversifiers for each other?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between BESS and MBRX?

As of 2026-08-27, the correlation of weekly returns between BESS and MBRX is 0.64 over 3 years, 0.24 over 1 year and 0.61 over 5 years.

Is MBRX a good diversifier for BESS?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.64 mean?

On the −1 to +1 scale, 0.64 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.

Use this data

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BESS vs MBRX: 3-year weekly correlation 0.64BESS vs MBRX0.64

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Hubs: BESS correlations · MBRX correlations