AMGN vs REGN: Correlation
Measured on weekly returns over the past three years, Amgen (AMGN) and Regeneron Pharmaceuticals (REGN) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMGN and REGN?
On 3 years of weekly data the AMGN/REGN correlation comes out at 0.43, moderate. Little has changed lately, as the 1-year reading of 0.46 lands near the 3-year figure. The 5-year figure is 0.41, and annualized covariance runs at 358.4 %².
Among the 31 assets we track against AMGN, REGN ranks #16 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months AMGN outperformed by 17.7 percentage points (+56.0% for AMGN against +38.3% for REGN). Across three years, the rolling one-year figure varied moderately, from 0.34 to 0.64.
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.
AMGN vs REGN: side by side
| AMGN (Amgen) | REGN (Regeneron Pharmaceuticals) | |
|---|---|---|
| 1-year return | +56.0% | +38.3% |
| 5-year return | +127.8% | +20.4% |
| Volatility (ann.) | 26.3% | 31.8% |
| Beta vs S&P 500 | 0.34 | 0.61 |
| Max drawdown (3Y) | -22.7% | -59.7% |
| Market cap | $236.3B | $83.2B |
| P/E (trailing) | 27.3 | 20.2 |
| Dividend yield | 2.23% | 0.45% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | AMGN | REGN |
|---|---|---|
| 2022 | +20.4% | +14.2% |
| 2023 | +13.5% | +21.7% |
| 2024 | -6.8% | -18.9% |
| 2025 | +29.7% | +9.0% |
| 2026 | +36.2% | +5.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMGN and REGN good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AMGN and REGN?
As of 2026-08-27, the correlation of weekly returns between AMGN and REGN is 0.43 over 3 years, 0.46 over 1 year and 0.41 over 5 years.
Is REGN a good diversifier for AMGN?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 mean?
A reading of 0.43 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/amgn-vs-regn.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amgn-vs-regn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AMGN correlations · REGN correlations
