TYG vs VTOL: Correlation
Measured on weekly returns over the past three years, Tortoise Energy Infrastructure Corporation (TYG) and Bristow Group, Inc. (VTOL) carry a correlation of 0.58, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are TYG and VTOL?
Over the past 3 years, TYG and VTOL moved with a correlation of 0.58, which is moderate. The link has loosened recently: the 1-year correlation (0.46) runs below the 3-year figure (0.58). Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 468.0 %².
Within TYG's tracked universe of 17 assets, VTOL comes in at #10 by 3-year correlation. Over the last 12 months VTOL came out ahead by 7.4 percentage points (+14.1% against +21.5%). One caveat on sizing: VTOL is 1.8 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.
TYG vs VTOL: side by side
| TYG (Tortoise Energy Infrastructure Corporation) | VTOL (Bristow Group, Inc.) | |
|---|---|---|
| 1-year return | +14.1% | +21.5% |
| 5-year return | +162.5% | +49.4% |
| Volatility (ann.) | 21.2% | 38.0% |
| Beta vs S&P 500 | 0.45 | 1.00 |
| Max drawdown (3Y) | -25.1% | -35.3% |
| Market cap | – | $1.4B |
| P/E (trailing) | 6.0 | 13.0 |
| Dividend yield | 11.89% | 0.55% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | TYG | VTOL |
|---|---|---|
| 2022 | +24.2% | -14.3% |
| 2023 | -0.4% | +4.2% |
| 2024 | +60.2% | +21.3% |
| 2025 | +8.5% | +6.8% |
| 2026 | +15.2% | +26.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are TYG and VTOL good diversifiers for each other?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between TYG and VTOL?
As of 2026-08-27, the correlation of weekly returns between TYG and VTOL is 0.58 over 3 years, 0.46 over 1 year and 0.58 over 5 years.
Is VTOL a good diversifier for TYG?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.58 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/tyg-vs-vtol.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/tyg-vs-vtol/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: TYG correlations · VTOL correlations
