SMHI vs VTOL: Correlation
SEACOR Marine Holdings Inc. (SMHI) and Bristow Group, Inc. (VTOL) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SMHI and VTOL?
Over the past 3 years, SMHI and VTOL moved with a correlation of 0.55, which is moderate. The link has loosened recently: the 1-year correlation (0.37) runs below the 3-year figure (0.55). Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 1148.1 %².
By 3-year correlation, VTOL places #5 of the 12 assets tracked against SMHI. The last year tells two different stories: SMHI led by 25.7 percentage points, +47.2% for SMHI against +21.5% for VTOL.
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 VTOL: side by side
| SMHI (SEACOR Marine Holdings Inc.) | VTOL (Bristow Group, Inc.) | |
|---|---|---|
| 1-year return | +47.2% | +21.5% |
| 5-year return | +119.6% | +49.4% |
| Volatility (ann.) | 54.8% | 38.0% |
| Beta vs S&P 500 | 1.41 | 1.00 |
| Max drawdown (3Y) | -74.3% | -35.3% |
| Market cap | $0.3B | $1.4B |
| P/E (trailing) | – | 13.0 |
| Dividend yield | 0.00% | 0.55% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SMHI | VTOL |
|---|---|---|
| 2022 | +169.4% | -14.3% |
| 2023 | +37.4% | +4.2% |
| 2024 | -47.9% | +21.3% |
| 2025 | -8.2% | +6.8% |
| 2026 | +58.0% | +26.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SMHI and VTOL good diversifiers for each other?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between SMHI and VTOL?
The SMHI/VTOL correlation stands at 0.55 on a 3-year window (1 year: 0.37, 5 years: 0.51), computed from weekly returns as of 2026-08-27.
Is VTOL a good diversifier for SMHI?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.55 mean?
A reading of 0.55 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/smhi-vs-vtol.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/smhi-vs-vtol/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SMHI correlations · VTOL correlations