RIG vs SMHI: Correlation
Transocean Ltd (Switzerland) (RIG) and SEACOR Marine Holdings Inc. (SMHI) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RIG and SMHI?
Across a 3-year window, the weekly returns of RIG and SMHI correlate at 0.56, moderate. The link has loosened recently: the 1-year correlation (0.37) runs below the 3-year figure (0.56). Stretching to 5 years gives 0.53, with an annualized covariance of 1593.8 %².
Among the 14 assets we track against RIG, SMHI ranks #7 by 3-year correlation. The last year tells two different stories: RIG led by 33.9 percentage points, +81.1% for RIG against +47.2% for SMHI.
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.
RIG vs SMHI: side by side
| RIG (Transocean Ltd (Switzerland)) | SMHI (SEACOR Marine Holdings Inc.) | |
|---|---|---|
| 1-year return | +81.1% | +47.2% |
| 5-year return | +61.7% | +119.6% |
| Volatility (ann.) | 51.9% | 54.8% |
| Beta vs S&P 500 | 0.93 | 1.41 |
| Max drawdown (3Y) | -75.5% | -74.3% |
| Market cap | $6.4B | $0.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RIG | SMHI |
|---|---|---|
| 2022 | +65.2% | +169.4% |
| 2023 | +39.3% | +37.4% |
| 2024 | -40.9% | -47.9% |
| 2025 | +10.1% | -8.2% |
| 2026 | +39.0% | +58.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RIG and SMHI good diversifiers for each other?
To a limited degree. At 0.56 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between RIG and SMHI?
Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.37 over the last year and 0.53 over 5 years.
Is SMHI a good diversifier for RIG?
To a limited degree. At 0.56 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.56 mean?
A reading of 0.56 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/rig-vs-smhi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rig-vs-smhi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RIG correlations · SMHI correlations
