ICU vs SRPT: Correlation
Measured on weekly returns over the past three years, SeaStar Medical Holding Corporation (ICU) and Sarepta Therapeutics, Inc. (SRPT) carry a correlation of 0.29, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ICU and SRPT?
On 3 years of weekly data the ICU/SRPT correlation comes out at 0.29, weak. Lately the two have moved closer together, with the 1-year correlation at 0.40 versus 0.29 over 3 years. The 5-year figure is 0.24, and annualized covariance runs at 3474.8 %².
SRPT is one of the assets that tracks ICU most closely: it ranks #2 out of the 10 assets we track against ICU. Their recent paths diverged sharply: over the last 12 months SRPT outperformed by 82.9 percentage points (-63.4% for ICU against +19.5% for SRPT). One caveat on sizing: ICU is 2.1 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.
ICU vs SRPT: side by side
| ICU (SeaStar Medical Holding Corporation) | SRPT (Sarepta Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -63.4% | +19.5% |
| 5-year return | -99.9% | -71.5% |
| Volatility (ann.) | 156.9% | 75.7% |
| Beta vs S&P 500 | 0.82 | 1.09 |
| Max drawdown (3Y) | -99.4% | -92.7% |
| Market cap | – | $2.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ICU | SRPT |
|---|---|---|
| 2022 | -59.2% | +43.9% |
| 2023 | -89.2% | -25.6% |
| 2024 | -82.5% | +26.1% |
| 2025 | -87.6% | -82.3% |
| 2026 | +29.2% | +0.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ICU and SRPT good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.29 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ICU and SRPT?
Using weekly returns as of 2026-08-27: 0.29 over 3 years, with 0.40 over the last year and 0.24 over 5 years.
Is SRPT a good diversifier for ICU?
Yes, to a useful degree: a correlation of 0.29 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.29 mean?
A reading of 0.29 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
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Embed this badge (it refreshes with the data), with attribution:
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Related comparisons
Hubs: ICU correlations · SRPT correlations
