BESS vs MKL: Correlation
Measured on weekly returns over the past three years, Bimergen Energy Corporation (BESS) and Markel Group Inc. (MKL) carry a correlation of -0.22, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BESS and MKL?
Over the past 3 years, BESS and MKL moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.17) than the 3-year average (-0.22). Over 5 years the correlation is -0.16, and the annualized covariance of weekly returns is -24259.8 %².
Within BESS's tracked universe of 51 assets, MKL comes in at #26 by 3-year correlation. The last year tells two different stories: MKL led by 42.6 percentage points, -50.4% for BESS against -7.8% for MKL. Note the risk asymmetry: BESS runs 244.8 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 MKL: side by side
| BESS (Bimergen Energy Corporation) | MKL (Markel Group Inc.) | |
|---|---|---|
| 1-year return | -50.4% | -7.8% |
| 5-year return | -87.7% | +43.0% |
| Volatility (ann.) | 5140.2% | 21.0% |
| Beta vs S&P 500 | 17.01 | 0.44 |
| Max drawdown (3Y) | -99.5% | -20.1% |
| Market cap | – | $22.4B |
| P/E (trailing) | – | 10.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BESS | MKL |
|---|---|---|
| 2022 | -30.0% | +6.8% |
| 2023 | -14.3% | +7.8% |
| 2024 | +16.7% | +21.6% |
| 2025 | +7.1% | +24.5% |
| 2026 | -70.5% | -16.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BESS and MKL 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 MKL?
As of 2026-08-27, the correlation of weekly returns between BESS and MKL is -0.22 over 3 years, 0.17 over 1 year and -0.16 over 5 years.
Is MKL 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?
On the −1 to +1 scale, -0.22 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
$ curl https://www.pairbook.io/api/v1/pairs/bess-vs-mkl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bess-vs-mkl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BESS correlations · MKL correlations
