BESS vs XLO: Correlation
Measured on weekly returns over the past three years, Bimergen Energy Corporation (BESS) and Xilio Therapeutics, Inc. (XLO) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BESS and XLO?
Across a 3-year window, the weekly returns of BESS and XLO correlate at 0.41, moderate. The link has loosened recently: the 1-year correlation (0.07) runs below the 3-year figure (0.41). Stretching to 5 years gives 0.31, with an annualized covariance of 201948.2 %².
Within BESS's tracked universe of 51 assets, XLO comes in at #11 by 3-year correlation. Correlation aside, the last 12 months split them widely, with XLO ahead by 44.4 points (-50.4% versus -6.0%). Risk is not evenly split, since BESS carries 53.3 times the volatility of the other side.
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 XLO: side by side
| BESS (Bimergen Energy Corporation) | XLO (Xilio Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -50.4% | -6.0% |
| 5-year return | -87.7% | -96.0% |
| Volatility (ann.) | 5140.2% | 96.4% |
| Beta vs S&P 500 | 17.01 | -0.07 |
| Max drawdown (3Y) | -99.5% | -82.8% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BESS | XLO |
|---|---|---|
| 2022 | -30.0% | -83.2% |
| 2023 | -14.3% | -79.6% |
| 2024 | +16.7% | +73.6% |
| 2025 | +7.1% | -33.0% |
| 2026 | -70.5% | +0.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BESS and XLO good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BESS and XLO?
Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.07 over the last year and 0.31 over 5 years.
Is XLO a good diversifier for BESS?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.41 mean?
A reading of 0.41 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
$ curl https://www.pairbook.io/api/v1/pairs/bess-vs-xlo.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bess-vs-xlo/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BESS correlations · XLO correlations
