SANA vs VIR: Correlation
Measured on weekly returns over the past three years, Sana Biotechnology, Inc. (SANA) and Vir Biotechnology, Inc. (VIR) carry a correlation of 0.64, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SANA and VIR?
Across a 3-year window, the weekly returns of SANA and VIR correlate at 0.64, strong. The link has loosened recently: the 1-year correlation (0.45) runs below the 3-year figure (0.64). Stretching to 5 years gives 0.50, with an annualized covariance of 4958.7 %².
In SANA's tracked universe of 18 assets, VIR sits right near the top at #1. The last year tells two different stories: VIR led by 94.9 percentage points, +21.4% for SANA against +116.3% for VIR. Note the risk asymmetry: SANA runs 1.7 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.
SANA vs VIR: side by side
| SANA (Sana Biotechnology, Inc.) | VIR (Vir Biotechnology, Inc.) | |
|---|---|---|
| 1-year return | +21.4% | +116.3% |
| 5-year return | -82.9% | -77.3% |
| Volatility (ann.) | 115.0% | 67.1% |
| Beta vs S&P 500 | 1.88 | 0.85 |
| Max drawdown (3Y) | -88.1% | -67.4% |
| Market cap | $1.2B | $1.9B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SANA | VIR |
|---|---|---|
| 2022 | -74.5% | -39.6% |
| 2023 | +3.3% | -60.3% |
| 2024 | -60.0% | -27.0% |
| 2025 | +149.7% | -17.8% |
| 2026 | +0.5% | +87.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SANA and VIR good diversifiers for each other?
Only partially. A correlation of 0.64 means SANA and VIR 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 SANA and VIR?
Using weekly returns as of 2026-08-27: 0.64 over 3 years, with 0.45 over the last year and 0.50 over 5 years.
Is VIR a good diversifier for SANA?
Only partially. A correlation of 0.64 means SANA and VIR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.64 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/sana-vs-vir.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/sana-vs-vir/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SANA correlations · VIR correlations
