ALNY vs RGS: Correlation
How closely do Alnylam Pharmaceuticals, Inc. (ALNY) and Regis Corporation (RGS) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALNY and RGS?
Over the past 3 years, ALNY and RGS moved with a correlation of 0.52, which is moderate. The past 12 months show a weaker link (0.16) than the 3-year average (0.52). Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 5757.8 %².
RGS is one of the assets that tracks ALNY most closely: it ranks #2 out of the 11 assets we track against ALNY. Correlation aside, the last 12 months split them widely, with RGS ahead by 67.6 points (-47.9% versus +19.7%). Note the risk asymmetry: RGS runs 4.7 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.
ALNY vs RGS: side by side
| ALNY (Alnylam Pharmaceuticals, Inc.) | RGS (Regis Corporation) | |
|---|---|---|
| 1-year return | -47.9% | +19.7% |
| 5-year return | +16.2% | -75.3% |
| Volatility (ann.) | 48.5% | 226.7% |
| Beta vs S&P 500 | 0.93 | 0.65 |
| Max drawdown (3Y) | -58.2% | -81.1% |
| Market cap | $31.7B | – |
| P/E (trailing) | 41.6 | 0.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALNY | RGS |
|---|---|---|
| 2022 | +40.1% | -29.9% |
| 2023 | -19.5% | -61.3% |
| 2024 | +22.9% | +151.0% |
| 2025 | +69.0% | +17.0% |
| 2026 | -40.5% | -2.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALNY and RGS good diversifiers for each other?
Only partially. A correlation of 0.52 means ALNY and RGS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between ALNY and RGS?
The ALNY/RGS correlation stands at 0.52 on a 3-year window (1 year: 0.16, 5 years: 0.35), computed from weekly returns as of 2026-08-27.
Is RGS a good diversifier for ALNY?
Only partially. A correlation of 0.52 means ALNY and RGS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.52 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/alny-vs-rgs.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/alny-vs-rgs/)
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Related comparisons
Hubs: ALNY correlations · RGS correlations
