ACIU vs ZURA: Correlation
Measured on weekly returns over the past three years, AC Immune SA (ACIU) and Zura Bio Limited - Class A (ZURA) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACIU and ZURA?
Across a 3-year window, the weekly returns of ACIU and ZURA correlate at 0.38, moderate. The link has tightened recently: the 1-year correlation (0.62) runs above the 3-year figure (0.38). Stretching to 5 years gives n/a, with an annualized covariance of 2609.1 %².
Among the 11 assets we track against ACIU, ZURA ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ZURA ahead by 139.9 points (+30.9% versus +170.8%).
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.
ACIU vs ZURA: side by side
| ACIU (AC Immune SA) | ZURA (Zura Bio Limited - Class A) | |
|---|---|---|
| 1-year return | +30.9% | +170.8% |
| 5-year return | -61.2% | n/a |
| Volatility (ann.) | 69.0% | 100.1% |
| Beta vs S&P 500 | 1.20 | 1.00 |
| Max drawdown (3Y) | -70.4% | -85.8% |
| Market cap | $0.3B | $0.6B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACIU | ZURA |
|---|---|---|
| 2022 | -58.8% | – |
| 2023 | +145.1% | – |
| 2024 | -46.0% | -46.5% |
| 2025 | +16.3% | +109.6% |
| 2026 | -13.7% | +11.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACIU and ZURA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ACIU and ZURA?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.62 over the last year and n/a over 5 years.
Is ZURA a good diversifier for ACIU?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 mean?
A reading of 0.38 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ACIU correlations · ZURA correlations
