BMY vs RPRX: Correlation
Measured on weekly returns over the past three years, Bristol Myers Squibb (BMY) and Royalty Pharma plc - Class A (RPRX) carry a correlation of 0.37, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BMY and RPRX?
Across a 3-year window, the weekly returns of BMY and RPRX correlate at 0.37, moderate. The link has tightened recently: the 1-year correlation (0.59) runs above the 3-year figure (0.37). Stretching to 5 years gives 0.38, with an annualized covariance of 217.5 %².
Within BMY's tracked universe of 31 assets, RPRX comes in at #18 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RPRX ahead by 27.7 points (+47.3% versus +75.0%).
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.
BMY vs RPRX: side by side
| BMY (Bristol Myers Squibb) | RPRX (Royalty Pharma plc - Class A) | |
|---|---|---|
| 1-year return | +47.3% | +75.0% |
| 5-year return | +22.3% | +78.4% |
| Volatility (ann.) | 27.8% | 21.2% |
| Beta vs S&P 500 | 0.20 | 0.24 |
| Max drawdown (3Y) | -34.1% | -20.7% |
| Market cap | $136.8B | $35.8B |
| P/E (trailing) | 14.9 | 33.3 |
| Dividend yield | 3.71% | 1.47% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | BMY | RPRX |
|---|---|---|
| 2022 | +19.0% | +1.0% |
| 2023 | -26.1% | -27.1% |
| 2024 | +15.8% | -6.4% |
| 2025 | +0.1% | +55.3% |
| 2026 | +28.3% | +62.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BMY and RPRX good diversifiers for each other?
Reasonably. At 0.37, BMY and RPRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BMY and RPRX?
The BMY/RPRX correlation stands at 0.37 on a 3-year window (1 year: 0.59, 5 years: 0.38), computed from weekly returns as of 2026-08-27.
Is RPRX a good diversifier for BMY?
Reasonably. At 0.37, BMY and RPRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.37 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/bmy-vs-rprx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bmy-vs-rprx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BMY correlations · RPRX correlations
