BCAL vs VTRS: Correlation
Measured on weekly returns over the past three years, California BanCorp (BCAL) and Viatris (VTRS) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCAL and VTRS?
Across a 3-year window, the weekly returns of BCAL and VTRS correlate at 0.48, moderate. Little has changed lately, as the 1-year reading of 0.44 lands near the 3-year figure. Stretching to 5 years gives 0.33, with an annualized covariance of 414.9 %².
Within BCAL's tracked universe of 13 assets, VTRS comes in at #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with VTRS ahead by 39.8 points (+28.0% versus +67.8%).
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.
BCAL vs VTRS: side by side
| BCAL (California BanCorp) | VTRS (Viatris) | |
|---|---|---|
| 1-year return | +28.0% | +67.8% |
| 5-year return | +52.2% | +44.6% |
| Volatility (ann.) | 26.5% | 32.8% |
| Beta vs S&P 500 | 0.82 | 0.79 |
| Max drawdown (3Y) | -32.3% | -45.0% |
| Market cap | $0.7B | $19.4B |
| P/E (trailing) | 11.6 | – |
| Dividend yield | 1.40% | 2.85% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | BCAL | VTRS |
|---|---|---|
| 2022 | +12.3% | -14.3% |
| 2023 | +3.1% | +2.1% |
| 2024 | -4.7% | +19.7% |
| 2025 | +13.5% | +5.1% |
| 2026 | +15.5% | +38.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCAL and VTRS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BCAL and VTRS?
As of 2026-08-27, the correlation of weekly returns between BCAL and VTRS is 0.48 over 3 years, 0.44 over 1 year and 0.33 over 5 years.
Is VTRS a good diversifier for BCAL?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bcal-vs-vtrs.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bcal-vs-vtrs/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BCAL correlations · VTRS correlations
