ALT vs VXZ: Correlation
Measured on weekly returns over the past three years, Altimmune, Inc. (ALT) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) carry a correlation of -0.29, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALT and VXZ?
Over the past 3 years, ALT and VXZ moved with a correlation of -0.29, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.31) sits close to the 3-year figure. Over 5 years the correlation is -0.21, and the annualized covariance of weekly returns is -698.7 %².
Among the 13 assets we track against ALT, VXZ sits near the bottom by co-movement, at rank #13. Neither side won the trailing year by much: -11.7% against -16.1%. One caveat on sizing: ALT is 3.7 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.
ALT vs VXZ: side by side
| ALT (Altimmune, Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | -11.7% | -16.1% |
| 5-year return | -77.0% | -53.1% |
| Volatility (ann.) | 94.4% | 25.6% |
| Beta vs S&P 500 | 1.91 | -1.31 |
| Max drawdown (3Y) | -81.2% | -36.4% |
| Market cap | $0.6B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALT | VXZ |
|---|---|---|
| 2022 | +79.6% | +0.5% |
| 2023 | -31.6% | -44.0% |
| 2024 | -35.9% | -12.7% |
| 2025 | -49.9% | +5.7% |
| 2026 | -10.2% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALT and VXZ good diversifiers for each other?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ALT and VXZ?
As of 2026-08-27, the correlation of weekly returns between ALT and VXZ is -0.29 over 3 years, -0.31 over 1 year and -0.21 over 5 years.
Is VXZ a good diversifier for ALT?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.29 mean?
A reading of -0.29 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/alt-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/alt-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ALT correlations · VXZ correlations
