BCRX vs VTOL: Correlation
BioCryst Pharmaceuticals, Inc. (BCRX) and Bristow Group, Inc. (VTOL) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCRX and VTOL?
Over the past 3 years, BCRX and VTOL moved with a correlation of 0.41, which is moderate. The link has loosened recently: the 1-year correlation (0.28) runs below the 3-year figure (0.41). Over 5 years the correlation is 0.32, and the annualized covariance of weekly returns is 727.7 %².
In BCRX's tracked universe of 11 assets, VTOL sits right near the top at #3. The trailing year gives VTOL the advantage: +15.8% versus +21.5%, a 5.7-point spread.
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.
BCRX vs VTOL: side by side
| BCRX (BioCryst Pharmaceuticals, Inc.) | VTOL (Bristow Group, Inc.) | |
|---|---|---|
| 1-year return | +15.8% | +21.5% |
| 5-year return | -37.1% | +49.4% |
| Volatility (ann.) | 47.1% | 38.0% |
| Beta vs S&P 500 | 0.75 | 1.00 |
| Max drawdown (3Y) | -46.0% | -35.3% |
| Market cap | $2.5B | $1.4B |
| P/E (trailing) | – | 13.0 |
| Dividend yield | 0.00% | 0.55% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCRX | VTOL |
|---|---|---|
| 2022 | -17.1% | -14.3% |
| 2023 | -47.8% | +4.2% |
| 2024 | +25.5% | +21.3% |
| 2025 | +3.7% | +6.8% |
| 2026 | +26.5% | +26.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCRX and VTOL good diversifiers for each other?
Reasonably. At 0.41, BCRX and VTOL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BCRX and VTOL?
Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.28 over the last year and 0.32 over 5 years.
Is VTOL a good diversifier for BCRX?
Reasonably. At 0.41, BCRX and VTOL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 mean?
On the −1 to +1 scale, 0.41 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bcrx-vs-vtol.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bcrx-vs-vtol/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BCRX correlations · VTOL correlations
