AMTX vs VXZ: Correlation
Aemetis, Inc (AMTX) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) show a negative relationship: their 3-year correlation of weekly returns is -0.25.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMTX and VXZ?
Over the past 3 years, AMTX and VXZ moved with a correlation of -0.25, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.16) than the 3-year average (-0.25). Over 5 years the correlation is -0.27, and the annualized covariance of weekly returns is -637.1 %².
Out of 10 assets tracked against AMTX, VXZ lands near the bottom at #9. Over the last 12 months VXZ came out ahead by 11.4 percentage points (-27.5% against -16.1%). Note the risk asymmetry: AMTX runs 3.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
AMTX vs VXZ: side by side
| AMTX (Aemetis, Inc) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | -27.5% | -16.1% |
| 5-year return | -81.7% | -53.1% |
| Volatility (ann.) | 98.5% | 25.6% |
| Beta vs S&P 500 | 1.51 | -1.31 |
| Max drawdown (3Y) | -79.2% | -36.4% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMTX | VXZ |
|---|---|---|
| 2022 | -67.8% | +0.5% |
| 2023 | +32.3% | -44.0% |
| 2024 | -48.7% | -12.7% |
| 2025 | -48.3% | +5.7% |
| 2026 | +34.5% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMTX and VXZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
FAQ
What is the correlation between AMTX and VXZ?
The AMTX/VXZ correlation stands at -0.25 on a 3-year window (1 year: 0.16, 5 years: -0.27), computed from weekly returns as of 2026-08-27.
Is VXZ a good diversifier for AMTX?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
What does a correlation of -0.25 mean?
A reading of -0.25 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/amtx-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/amtx-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AMTX correlations · VXZ correlations