AUPH vs RIGL: Correlation
How closely do Aurinia Pharmaceuticals Inc (AUPH) and Rigel Pharmaceuticals, Inc. (RIGL) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AUPH and RIGL?
On 3 years of weekly data the AUPH/RIGL correlation comes out at 0.37, moderate. The relationship has been stable: the 1-year correlation (0.38) sits close to the 3-year figure. The 5-year figure is 0.08, and annualized covariance runs at 1178.5 %².
RIGL is one of the assets that tracks AUPH most closely: it ranks #3 out of the 20 assets we track against AUPH. The last year tells two different stories: AUPH led by 18.1 percentage points, +36.0% for AUPH against +17.9% for RIGL. Risk is not evenly split, since RIGL carries 1.8 times the volatility of the other side.
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.
AUPH vs RIGL: side by side
| AUPH (Aurinia Pharmaceuticals Inc) | RIGL (Rigel Pharmaceuticals, Inc.) | |
|---|---|---|
| 1-year return | +36.0% | +17.9% |
| 5-year return | -3.2% | +23.3% |
| Volatility (ann.) | 41.8% | 76.9% |
| Beta vs S&P 500 | 0.59 | 1.98 |
| Max drawdown (3Y) | -52.8% | -50.8% |
| Market cap | $2.2B | $0.9B |
| P/E (trailing) | 7.3 | 2.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AUPH | RIGL |
|---|---|---|
| 2022 | -81.1% | -43.4% |
| 2023 | +108.1% | -3.3% |
| 2024 | -0.1% | +16.0% |
| 2025 | +77.6% | +154.6% |
| 2026 | +3.3% | +9.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AUPH and RIGL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AUPH and RIGL?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.38 over the last year and 0.08 over 5 years.
Is RIGL a good diversifier for AUPH?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/auph-vs-rigl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/auph-vs-rigl/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AUPH correlations · RIGL correlations
