CB vs PHGE: Correlation
How closely do Chubb Limited (CB) and BiomX Inc. (PHGE) 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 CB and PHGE?
On 3 years of weekly data the CB/PHGE correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.39 versus -0.22 over 3 years. The 5-year figure is -0.11, and annualized covariance runs at -571.4 %².
Within CB's tracked universe of 37 assets, PHGE comes in at #30 by 3-year correlation. The last year tells two different stories: CB led by 123.4 percentage points, +24.7% for CB against -98.7% for PHGE. Risk is not evenly split, since PHGE carries 8.3 times the volatility of the other side.
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.
CB vs PHGE: side by side
| CB (Chubb Limited) | PHGE (BiomX Inc.) | |
|---|---|---|
| 1-year return | +24.7% | -98.7% |
| 5-year return | +96.8% | -100.0% |
| Volatility (ann.) | 17.7% | 147.0% |
| Beta vs S&P 500 | 0.17 | 0.33 |
| Max drawdown (3Y) | -14.4% | -99.9% |
| Market cap | $130.5B | – |
| P/E (trailing) | 12.2 | – |
| Dividend yield | 1.14% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | CB | PHGE |
|---|---|---|
| 2022 | +16.0% | -88.3% |
| 2023 | +4.2% | +49.7% |
| 2024 | +23.9% | -73.9% |
| 2025 | +13.7% | -86.5% |
| 2026 | +9.1% | -92.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CB and PHGE 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 CB and PHGE?
As of 2026-08-27, the correlation of weekly returns between CB and PHGE is -0.22 over 3 years, -0.39 over 1 year and -0.11 over 5 years.
Is PHGE a good diversifier for CB?
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?
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/cb-vs-phge.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cb-vs-phge/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CB correlations · PHGE correlations
