BCAB vs VYGR: Correlation
BioAtla, Inc. (BCAB) and Voyager Therapeutics, Inc. (VYGR) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCAB and VYGR?
Across a 3-year window, the weekly returns of BCAB and VYGR correlate at 0.49, moderate. Little has changed lately, as the 1-year reading of 0.45 lands near the 3-year figure. Stretching to 5 years gives 0.13, with an annualized covariance of 3509.6 %².
Few assets follow BCAB as closely as VYGR, which ranks #3 of 11 tracked partners. The last year tells two different stories: VYGR led by 87.2 percentage points, -86.0% for BCAB against +1.2% for VYGR. One caveat on sizing: BCAB is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
BCAB vs VYGR: side by side
| BCAB (BioAtla, Inc.) | VYGR (Voyager Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -86.0% | +1.2% |
| 5-year return | -99.8% | +7.5% |
| Volatility (ann.) | 119.3% | 60.2% |
| Beta vs S&P 500 | 2.75 | 1.35 |
| Max drawdown (3Y) | -98.4% | -74.8% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCAB | VYGR |
|---|---|---|
| 2022 | -58.0% | +125.1% |
| 2023 | -70.2% | +38.4% |
| 2024 | -76.0% | -32.8% |
| 2025 | -3.9% | -30.7% |
| 2026 | -88.9% | -12.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCAB and VYGR good diversifiers for each other?
Reasonably. At 0.49, BCAB and VYGR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BCAB and VYGR?
As of 2026-08-27, the correlation of weekly returns between BCAB and VYGR is 0.49 over 3 years, 0.45 over 1 year and 0.13 over 5 years.
Is VYGR a good diversifier for BCAB?
Reasonably. At 0.49, BCAB and VYGR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.49 mean?
On the −1 to +1 scale, 0.49 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/bcab-vs-vygr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bcab-vs-vygr/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BCAB correlations · VYGR correlations