AMGN vs GILD: Correlation
Amgen (AMGN) and Gilead Sciences (GILD) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMGN and GILD?
Over the past 3 years, AMGN and GILD moved with a correlation of 0.44, which is moderate. Little has changed lately, as the 1-year reading of 0.48 lands near the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 279.6 %².
Within AMGN's tracked universe of 31 assets, GILD comes in at #14 by 3-year correlation. The last year tells two different stories: AMGN led by 21.9 percentage points, +56.0% for AMGN against +34.1% for GILD. On a rolling one-year basis the correlation drifted between 0.31 and 0.62, a moderate band.
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 GILD: side by side
| AMGN (Amgen) | GILD (Gilead Sciences) | |
|---|---|---|
| 1-year return | +56.0% | +34.1% |
| 5-year return | +127.8% | +148.1% |
| Volatility (ann.) | 26.3% | 24.1% |
| Beta vs S&P 500 | 0.34 | 0.33 |
| Max drawdown (3Y) | -22.7% | -26.6% |
| Market cap | $236.3B | $184.6B |
| P/E (trailing) | 27.3 | – |
| Dividend yield | 2.23% | 2.17% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | AMGN | GILD |
|---|---|---|
| 2022 | +20.4% | +23.6% |
| 2023 | +13.5% | -2.0% |
| 2024 | -6.8% | +18.7% |
| 2025 | +29.7% | +36.6% |
| 2026 | +36.2% | +22.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMGN and GILD good diversifiers for each other?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AMGN and GILD?
As of 2026-08-27, the correlation of weekly returns between AMGN and GILD is 0.44 over 3 years, 0.48 over 1 year and 0.49 over 5 years.
Is GILD a good diversifier for AMGN?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.44 mean?
A reading of 0.44 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-gild.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amgn-vs-gild/)
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Related comparisons
Hubs: AMGN correlations · GILD correlations
