PSIX vs VXZ: Correlation
Power Solutions International, Inc. (PSIX) 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 -0.32.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSIX and VXZ?
On 3 years of weekly data the PSIX/VXZ correlation comes out at -0.32, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.39 lands near the 3-year figure. The 5-year figure is -0.25, and annualized covariance runs at -845.3 %².
VXZ is close to the least connected end of PSIX's tracked universe, ranking #12 of 12. Their recent paths diverged sharply: over the last 12 months VXZ outperformed by 37.5 percentage points (-53.6% for PSIX against -16.1% for VXZ). Risk is not evenly split, since PSIX carries 4.1 times the volatility of the other side.
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.
PSIX vs VXZ: side by side
| PSIX (Power Solutions International, Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | -53.6% | -16.1% |
| 5-year return | +670.8% | -53.1% |
| Volatility (ann.) | 104.2% | 25.6% |
| Beta vs S&P 500 | 2.68 | -1.31 |
| Max drawdown (3Y) | -78.0% | -36.4% |
| Market cap | $0.9B | – |
| P/E (trailing) | 12.4 | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PSIX | VXZ |
|---|---|---|
| 2022 | +0.0% | +0.5% |
| 2023 | -31.7% | -44.0% |
| 2024 | +1351.2% | -12.7% |
| 2025 | +92.1% | +5.7% |
| 2026 | -33.9% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSIX and VXZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.32 means the two rarely move for the same reasons.
FAQ
What is the correlation between PSIX and VXZ?
Using weekly returns as of 2026-08-27: -0.32 over 3 years, with -0.39 over the last year and -0.25 over 5 years.
Is VXZ a good diversifier for PSIX?
By historical standards, yes. A correlation of -0.32 means the two rarely move for the same reasons.
What does a correlation of -0.32 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/psix-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/psix-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PSIX correlations · VXZ correlations
