BFRI vs MCK: Correlation
Measured on weekly returns over the past three years, Biofrontera Inc. (BFRI) and McKesson Corporation (MCK) carry a correlation of -0.19, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BFRI and MCK?
Across a 3-year window, the weekly returns of BFRI and MCK correlate at -0.19, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.18 over 1 year against -0.19 over 3. Stretching to 5 years gives -0.03, with an annualized covariance of -438.4 %².
Out of 10 assets tracked against BFRI, MCK lands near the bottom at #9. Their recent paths diverged sharply: over the last 12 months BFRI outperformed by 42.5 percentage points (+73.3% for BFRI against +30.8% for MCK). One caveat on sizing: BFRI is 3.7 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.
BFRI vs MCK: side by side
| BFRI (Biofrontera Inc.) | MCK (McKesson Corporation) | |
|---|---|---|
| 1-year return | +73.3% | +30.8% |
| 5-year return | -98.3% | +354.8% |
| Volatility (ann.) | 92.3% | 25.1% |
| Beta vs S&P 500 | 0.66 | 0.16 |
| Max drawdown (3Y) | -93.9% | -27.2% |
| Market cap | – | $103.8B |
| P/E (trailing) | – | 24.0 |
| Dividend yield | 0.00% | 0.37% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | BFRI | MCK |
|---|---|---|
| 2022 | -87.8% | +51.8% |
| 2023 | -84.9% | +24.1% |
| 2024 | -60.6% | +23.7% |
| 2025 | -47.7% | +44.5% |
| 2026 | +161.4% | +8.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BFRI and MCK good diversifiers for each other?
Yes. With a correlation of -0.19, BFRI and MCK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BFRI and MCK?
Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.18 over the last year and -0.03 over 5 years.
Is MCK a good diversifier for BFRI?
Yes. With a correlation of -0.19, BFRI and MCK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.19 mean?
A reading of -0.19 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/bfri-vs-mck.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bfri-vs-mck/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BFRI correlations · MCK correlations
