SMHI vs STAA: Correlation
SEACOR Marine Holdings Inc. (SMHI) and STAAR Surgical Company (STAA) show a moderate relationship: their 3-year correlation of weekly returns is 0.36.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SMHI and STAA?
On 3 years of weekly data the SMHI/STAA correlation comes out at 0.36, moderate. The past 12 months show a weaker link (0.01) than the 3-year average (0.36). The 5-year figure is 0.20, and annualized covariance runs at 1205.6 %².
Among the 12 assets we track against SMHI, STAA ranks #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SMHI ahead by 65.8 points (+47.2% versus -18.6%).
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.
SMHI vs STAA: side by side
| SMHI (SEACOR Marine Holdings Inc.) | STAA (STAAR Surgical Company) | |
|---|---|---|
| 1-year return | +47.2% | -18.6% |
| 5-year return | +119.6% | -85.0% |
| Volatility (ann.) | 54.8% | 61.9% |
| Beta vs S&P 500 | 1.41 | 0.90 |
| Max drawdown (3Y) | -74.3% | -71.1% |
| Market cap | $0.3B | $1.1B |
| P/E (trailing) | – | 279.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SMHI | STAA |
|---|---|---|
| 2022 | +169.4% | -46.8% |
| 2023 | +37.4% | -35.7% |
| 2024 | -47.9% | -22.2% |
| 2025 | -8.2% | -4.9% |
| 2026 | +58.0% | -3.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SMHI and STAA good diversifiers for each other?
Reasonably. At 0.36, SMHI and STAA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between SMHI and STAA?
Using weekly returns as of 2026-08-27: 0.36 over 3 years, with 0.01 over the last year and 0.20 over 5 years.
Is STAA a good diversifier for SMHI?
Reasonably. At 0.36, SMHI and STAA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.36 mean?
A reading of 0.36 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: SMHI correlations · STAA correlations
