BME vs PFE: Correlation
How closely do Blackrock Health Sciences Trust (BME) and Pfizer (PFE) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BME and PFE?
On 3 years of weekly data the BME/PFE correlation comes out at 0.48, moderate. Little has changed lately, as the 1-year reading of 0.41 lands near the 3-year figure. The 5-year figure is 0.45, and annualized covariance runs at 164.7 %².
Within BME's tracked universe of 34 assets, PFE comes in at #22 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BME outperformed by 16.4 percentage points (+36.0% for BME against +19.6% for PFE). Note the risk asymmetry: PFE runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
BME vs PFE: side by side
| BME (Blackrock Health Sciences Trust) | PFE (Pfizer) | |
|---|---|---|
| 1-year return | +36.0% | +19.6% |
| 5-year return | +33.5% | -21.9% |
| Volatility (ann.) | 14.4% | 23.8% |
| Beta vs S&P 500 | 0.45 | 0.40 |
| Max drawdown (3Y) | -14.4% | -34.8% |
| Market cap | – | $159.7B |
| P/E (trailing) | 7.8 | 37.4 |
| Dividend yield | 6.80% | 6.08% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | BME | PFE |
|---|---|---|
| 2022 | -4.6% | -10.4% |
| 2023 | -1.1% | -41.3% |
| 2024 | -0.1% | -2.2% |
| 2025 | +17.9% | +0.6% |
| 2026 | +17.9% | +18.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BME and PFE good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BME and PFE?
As of 2026-08-27, the correlation of weekly returns between BME and PFE is 0.48 over 3 years, 0.41 over 1 year and 0.45 over 5 years.
Is PFE a good diversifier for BME?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.48 mean?
A reading of 0.48 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/bme-vs-pfe.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bme-vs-pfe/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BME correlations · PFE correlations
