SAIH vs VXZ: Correlation
How closely do SAIHEAT Limited - Class A (SAIH) 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 -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SAIH and VXZ?
Over the past 3 years, SAIH and VXZ moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.27) sits close to the 3-year figure. Over 5 years the correlation is -0.13, and the annualized covariance of weekly returns is -620.7 %².
Out of 11 assets tracked against SAIH, VXZ lands near the bottom at #9. The last year tells two different stories: SAIH led by 302.6 percentage points, +286.5% for SAIH against -16.1% for VXZ. One caveat on sizing: SAIH is 4.4 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.
SAIH vs VXZ: side by side
| SAIH (SAIHEAT Limited - Class A) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +286.5% | -16.1% |
| 5-year return | -83.7% | -53.1% |
| Volatility (ann.) | 112.8% | 25.6% |
| Beta vs S&P 500 | 2.00 | -1.31 |
| Max drawdown (3Y) | -85.5% | -36.4% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SAIH | VXZ |
|---|---|---|
| 2022 | -79.6% | +0.5% |
| 2023 | -40.8% | -44.0% |
| 2024 | -35.3% | -12.7% |
| 2025 | -20.3% | +5.7% |
| 2026 | +158.2% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SAIH and VXZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
FAQ
What is the correlation between SAIH and VXZ?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.27 over the last year and -0.13 over 5 years.
Is VXZ a good diversifier for SAIH?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
What does a correlation of -0.22 mean?
A reading of -0.22 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/saih-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/saih-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SAIH correlations · VXZ correlations
