BCAB vs VXX: Correlation
BioAtla, Inc. (BCAB) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) show a negative relationship: their 3-year correlation of weekly returns is -0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCAB and VXX?
Across a 3-year window, the weekly returns of BCAB and VXX correlate at -0.28, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.06) runs above the 3-year figure (-0.28). Stretching to 5 years gives -0.24, with an annualized covariance of -2002.6 %².
VXX is close to the least connected end of BCAB's tracked universe, ranking #10 of 11. The last year tells two different stories: VXX led by 36.3 percentage points, -86.0% for BCAB against -49.7% for VXX. 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 VXX: side by side
| BCAB (BioAtla, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -86.0% | -49.7% |
| 5-year return | -99.8% | -95.6% |
| Volatility (ann.) | 119.3% | 60.9% |
| Beta vs S&P 500 | 2.75 | -3.31 |
| Max drawdown (3Y) | -98.4% | -83.3% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCAB | VXX |
|---|---|---|
| 2022 | -58.0% | -23.8% |
| 2023 | -70.2% | -72.5% |
| 2024 | -76.0% | -26.2% |
| 2025 | -3.9% | -42.2% |
| 2026 | -88.9% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCAB and VXX good diversifiers for each other?
Yes. With a correlation of -0.28, BCAB and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BCAB and VXX?
The BCAB/VXX correlation stands at -0.28 on a 3-year window (1 year: -0.06, 5 years: -0.24), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for BCAB?
Yes. With a correlation of -0.28, BCAB and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.28 mean?
On the −1 to +1 scale, -0.28 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-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bcab-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BCAB correlations · VXX correlations
