BMY vs PFE: Correlation
Measured on weekly returns over the past three years, Bristol Myers Squibb (BMY) and Pfizer (PFE) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BMY and PFE?
Across a 3-year window, the weekly returns of BMY and PFE correlate at 0.44, moderate. Little has changed lately, as the 1-year reading of 0.41 lands near the 3-year figure. Stretching to 5 years gives 0.44, with an annualized covariance of 291.9 %².
Among the 31 assets we track against BMY, PFE ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BMY outperformed by 27.7 percentage points (+47.3% for BMY against +19.6% for PFE). The rolling one-year correlation moved between 0.28 and 0.64 over the past three years, a moderate range.
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 PFE: side by side
| BMY (Bristol Myers Squibb) | PFE (Pfizer) | |
|---|---|---|
| 1-year return | +47.3% | +19.6% |
| 5-year return | +22.3% | -21.9% |
| Volatility (ann.) | 27.8% | 23.8% |
| Beta vs S&P 500 | 0.20 | 0.40 |
| Max drawdown (3Y) | -34.1% | -34.8% |
| Market cap | $136.8B | $159.7B |
| P/E (trailing) | 14.9 | 37.4 |
| Dividend yield | 3.71% | 6.08% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | BMY | PFE |
|---|---|---|
| 2022 | +19.0% | -10.4% |
| 2023 | -26.1% | -41.3% |
| 2024 | +15.8% | -2.2% |
| 2025 | +0.1% | +0.6% |
| 2026 | +28.3% | +18.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BMY and PFE good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BMY and PFE?
The BMY/PFE correlation stands at 0.44 on a 3-year window (1 year: 0.41, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is PFE a good diversifier for BMY?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 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.
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Related comparisons
Hubs: BMY correlations · PFE correlations
