CHE vs VIR: Correlation
How closely do Chemed Corp (CHE) and Vir Biotechnology, Inc. (VIR) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CHE and VIR?
Over the past 3 years, CHE and VIR moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.25 lands near the 3-year figure. Over 5 years the correlation is -0.10, and the annualized covariance of weekly returns is -381.3 %².
By 3-year correlation, VIR places #9 of the 16 assets tracked against CHE. Correlation aside, the last 12 months split them widely, with VIR ahead by 101.4 points (+14.9% versus +116.3%). Note the risk asymmetry: VIR runs 2.6 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.
CHE vs VIR: side by side
| CHE (Chemed Corp) | VIR (Vir Biotechnology, Inc.) | |
|---|---|---|
| 1-year return | +14.9% | +116.3% |
| 5-year return | +12.2% | -77.3% |
| Volatility (ann.) | 26.0% | 67.1% |
| Beta vs S&P 500 | 0.21 | 0.85 |
| Max drawdown (3Y) | -42.9% | -67.4% |
| Market cap | $6.8B | $1.9B |
| P/E (trailing) | 27.6 | – |
| Dividend yield | 0.44% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CHE | VIR |
|---|---|---|
| 2022 | -3.2% | -39.6% |
| 2023 | +14.9% | -60.3% |
| 2024 | -9.1% | -27.0% |
| 2025 | -18.9% | -17.8% |
| 2026 | +22.1% | +87.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CHE and VIR good diversifiers for each other?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CHE and VIR?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.25 over the last year and -0.10 over 5 years.
Is VIR a good diversifier for CHE?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.22 mean?
A reading of -0.22 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/che-vs-vir.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/che-vs-vir/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CHE correlations · VIR correlations
