ABUS vs RARE: Correlation
Arbutus Biopharma Corporation (ABUS) and Ultragenyx Pharmaceutical Inc. (RARE) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ABUS and RARE?
On 3 years of weekly data the ABUS/RARE correlation comes out at 0.41, moderate. Little has changed lately, as the 1-year reading of 0.33 lands near the 3-year figure. The 5-year figure is 0.34, and annualized covariance runs at 868.8 %².
By 3-year correlation, RARE places #4 of the 11 assets tracked against ABUS. Correlation aside, the last 12 months split them widely, with ABUS ahead by 54.3 points (+41.6% versus -12.7%).
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.
ABUS vs RARE: side by side
| ABUS (Arbutus Biopharma Corporation) | RARE (Ultragenyx Pharmaceutical Inc.) | |
|---|---|---|
| 1-year return | +41.6% | -12.7% |
| 5-year return | +53.0% | -72.6% |
| Volatility (ann.) | 41.5% | 51.1% |
| Beta vs S&P 500 | 0.46 | 1.38 |
| Max drawdown (3Y) | -36.8% | -68.8% |
| Market cap | $1.0B | $2.6B |
| P/E (trailing) | 6.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ABUS | RARE |
|---|---|---|
| 2022 | -40.1% | -44.9% |
| 2023 | +7.3% | +3.2% |
| 2024 | +30.8% | -12.0% |
| 2025 | +47.1% | -45.3% |
| 2026 | +7.5% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ABUS and RARE good diversifiers for each other?
Reasonably. At 0.41, ABUS and RARE keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ABUS and RARE?
The ABUS/RARE correlation stands at 0.41 on a 3-year window (1 year: 0.33, 5 years: 0.34), computed from weekly returns as of 2026-08-27.
Is RARE a good diversifier for ABUS?
Reasonably. At 0.41, ABUS and RARE keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 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/abus-vs-rare.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/abus-vs-rare/)
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Related comparisons
Hubs: ABUS correlations · RARE correlations
