BJDX vs EPOW: Correlation
Bluejay Diagnostics, Inc. (BJDX) and E-Power Inc. - Class A (EPOW) show a negative relationship: their 3-year correlation of weekly returns is -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BJDX and EPOW?
Over the past 3 years, BJDX and EPOW moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.09) runs above the 3-year figure (-0.22). Over 5 years the correlation is -0.09, and the annualized covariance of weekly returns is -2532.3 %².
Within BJDX's tracked universe of 19 assets, EPOW comes in at #11 by 3-year correlation. The last year tells two different stories: EPOW led by 33.5 percentage points, -83.4% for BJDX against -49.9% for EPOW. Note the risk asymmetry: BJDX runs 2.0 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.
BJDX vs EPOW: side by side
| BJDX (Bluejay Diagnostics, Inc.) | EPOW (E-Power Inc. - Class A) | |
|---|---|---|
| 1-year return | -83.4% | -49.9% |
| 5-year return | -100.0% | -81.9% |
| Volatility (ann.) | 151.7% | 75.1% |
| Beta vs S&P 500 | -0.30 | 0.06 |
| Max drawdown (3Y) | -100.0% | -80.3% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BJDX | EPOW |
|---|---|---|
| 2022 | -85.2% | +135.3% |
| 2023 | -83.9% | -60.4% |
| 2024 | -99.0% | -20.0% |
| 2025 | -86.3% | +13.4% |
| 2026 | -65.9% | -54.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BJDX and EPOW 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 BJDX and EPOW?
As of 2026-08-27, the correlation of weekly returns between BJDX and EPOW is -0.22 over 3 years, -0.09 over 1 year and -0.09 over 5 years.
Is EPOW a good diversifier for BJDX?
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?
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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bjdx-vs-epow.json
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Related comparisons
Hubs: BJDX correlations · EPOW correlations
