AMGN vs RSSS: Correlation
Amgen (AMGN) and Research Solutions, Inc (RSSS) show a negative relationship: their 3-year correlation of weekly returns is -0.18.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMGN and RSSS?
On 3 years of weekly data the AMGN/RSSS correlation comes out at -0.18, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.27 over 1 year against -0.18 over 3. The 5-year figure is -0.04, and annualized covariance runs at -186.8 %².
Among the 31 assets we track against AMGN, RSSS ranks #21 by 3-year correlation. The last year tells two different stories: AMGN led by 84.2 percentage points, +56.0% for AMGN against -28.2% for RSSS.
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 RSSS: side by side
| AMGN (Amgen) | RSSS (Research Solutions, Inc) | |
|---|---|---|
| 1-year return | +56.0% | -28.2% |
| 5-year return | +127.8% | -15.0% |
| Volatility (ann.) | 26.3% | 38.5% |
| Beta vs S&P 500 | 0.34 | 0.22 |
| Max drawdown (3Y) | -22.7% | -48.9% |
| Market cap | $236.3B | $0.1B |
| P/E (trailing) | 27.3 | 14.7 |
| Dividend yield | 2.23% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | AMGN | RSSS |
|---|---|---|
| 2022 | +20.4% | -22.0% |
| 2023 | +13.5% | +35.4% |
| 2024 | -6.8% | +59.6% |
| 2025 | +29.7% | -29.2% |
| 2026 | +36.2% | -24.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMGN and RSSS good diversifiers for each other?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AMGN and RSSS?
The AMGN/RSSS correlation stands at -0.18 on a 3-year window (1 year: -0.27, 5 years: -0.04), computed from weekly returns as of 2026-08-27.
Is RSSS a good diversifier for AMGN?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.18 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/amgn-vs-rsss.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/amgn-vs-rsss/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AMGN correlations · RSSS correlations
