IRD vs VIR: Correlation
Opus Genetics, Inc. (IRD) and Vir Biotechnology, Inc. (VIR) show a moderate relationship: their 3-year correlation of weekly returns is 0.40.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IRD and VIR?
Over the past 3 years, IRD and VIR moved with a correlation of 0.40, which is moderate. Little has changed lately, as the 1-year reading of 0.48 lands near the 3-year figure. Over 5 years the correlation is 0.21, and the annualized covariance of weekly returns is 1921.2 %².
In IRD's tracked universe of 10 assets, VIR sits right near the top at #1. Their recent paths diverged sharply: over the last 12 months IRD outperformed by 104.5 percentage points (+220.8% for IRD against +116.3% for VIR).
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.
IRD vs VIR: side by side
| IRD (Opus Genetics, Inc.) | VIR (Vir Biotechnology, Inc.) | |
|---|---|---|
| 1-year return | +220.8% | +116.3% |
| 5-year return | -11.9% | -77.3% |
| Volatility (ann.) | 71.4% | 67.1% |
| Beta vs S&P 500 | 0.63 | 0.85 |
| Max drawdown (3Y) | -82.6% | -67.4% |
| Market cap | $0.3B | $1.9B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | IRD | VIR |
|---|---|---|
| 2022 | -5.4% | -39.6% |
| 2023 | -14.7% | -60.3% |
| 2024 | -60.5% | -27.0% |
| 2025 | +68.9% | -17.8% |
| 2026 | +91.5% | +87.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IRD and VIR good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between IRD and VIR?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.48 over the last year and 0.21 over 5 years.
Is VIR a good diversifier for IRD?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 mean?
A reading of 0.40 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ird-vs-vir.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ird-vs-vir/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: IRD correlations · VIR correlations
