ERNA vs OSK: Correlation
How closely do Ernexa Therapeutics Inc. (ERNA) and Oshkosh Corporation (Holding Company) (OSK) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ERNA and OSK?
Across a 3-year window, the weekly returns of ERNA and OSK correlate at -0.24, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.52 versus -0.24 over 3 years. Stretching to 5 years gives -0.12, with an annualized covariance of -1160.5 %².
Out of 14 assets tracked against ERNA, OSK lands near the bottom at #10. Their recent paths diverged sharply: over the last 12 months OSK outperformed by 97.4 percentage points (-86.4% for ERNA against +11.0% for OSK). One caveat on sizing: ERNA is 3.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
ERNA vs OSK: side by side
| ERNA (Ernexa Therapeutics Inc.) | OSK (Oshkosh Corporation (Holding Company)) | |
|---|---|---|
| 1-year return | -86.4% | +11.0% |
| 5-year return | -100.0% | +47.4% |
| Volatility (ann.) | 131.2% | 37.0% |
| Beta vs S&P 500 | 1.62 | 1.14 |
| Max drawdown (3Y) | -99.7% | -36.7% |
| Market cap | – | $9.7B |
| P/E (trailing) | – | 18.1 |
| Dividend yield | 0.00% | 1.37% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ERNA | OSK |
|---|---|---|
| 2022 | -96.1% | -20.5% |
| 2023 | -44.1% | +25.2% |
| 2024 | -83.9% | -10.8% |
| 2025 | -72.4% | +34.5% |
| 2026 | -84.2% | +26.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ERNA and OSK good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between ERNA and OSK?
The ERNA/OSK correlation stands at -0.24 on a 3-year window (1 year: -0.52, 5 years: -0.12), computed from weekly returns as of 2026-08-27.
Is OSK a good diversifier for ERNA?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 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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Related comparisons
Hubs: ERNA correlations · OSK correlations
