ACAD vs VXZ: Correlation
How closely do ACADIA Pharmaceuticals Inc. (ACAD) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) trade together? Their weekly returns over three years give a correlation of -0.31, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACAD and VXZ?
Across a 3-year window, the weekly returns of ACAD and VXZ correlate at -0.31, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.44 versus -0.31 over 3 years. Stretching to 5 years gives -0.26, with an annualized covariance of -382.8 %².
VXZ is close to the least connected end of ACAD's tracked universe, ranking #15 of 15. Correlation aside, the last 12 months split them widely, with ACAD ahead by 28.0 points (+11.9% versus -16.1%). One caveat on sizing: ACAD is 1.9 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.
ACAD vs VXZ: side by side
| ACAD (ACADIA Pharmaceuticals Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +11.9% | -16.1% |
| 5-year return | +75.2% | -53.1% |
| Volatility (ann.) | 48.8% | 25.6% |
| Beta vs S&P 500 | 1.18 | -1.31 |
| Max drawdown (3Y) | -55.6% | -36.4% |
| Market cap | $5.1B | – |
| P/E (trailing) | 13.3 | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACAD | VXZ |
|---|---|---|
| 2022 | -31.8% | +0.5% |
| 2023 | +96.7% | -44.0% |
| 2024 | -41.4% | -12.7% |
| 2025 | +45.6% | +5.7% |
| 2026 | +11.3% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACAD and VXZ good diversifiers for each other?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ACAD and VXZ?
As of 2026-08-27, the correlation of weekly returns between ACAD and VXZ is -0.31 over 3 years, -0.44 over 1 year and -0.26 over 5 years.
Is VXZ a good diversifier for ACAD?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.31 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/acad-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acad-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACAD correlations · VXZ correlations
