RXST vs VXZ: Correlation
RxSight, Inc. (RXST) 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 -0.39.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RXST and VXZ?
On 3 years of weekly data the RXST/VXZ correlation comes out at -0.39, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.33 over 1 year against -0.39 over 3. The 5-year figure is -0.34, and annualized covariance runs at -648.0 %².
VXZ is close to the least connected end of RXST's tracked universe, ranking #12 of 12. On 12-month performance VXZ holds a 6.6-point edge, -22.7% against -16.1%. Note the risk asymmetry: RXST runs 2.6 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.
RXST vs VXZ: side by side
| RXST (RxSight, Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | -22.7% | -16.1% |
| 5-year return | -57.2% | -53.1% |
| Volatility (ann.) | 65.8% | 25.6% |
| Beta vs S&P 500 | 1.40 | -1.31 |
| Max drawdown (3Y) | -92.9% | -36.4% |
| Market cap | $0.3B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RXST | VXZ |
|---|---|---|
| 2022 | +12.6% | +0.5% |
| 2023 | +218.2% | -44.0% |
| 2024 | -14.7% | -12.7% |
| 2025 | -69.7% | +5.7% |
| 2026 | -36.6% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RXST and VXZ good diversifiers for each other?
Yes: at -0.39, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between RXST and VXZ?
As of 2026-08-27, the correlation of weekly returns between RXST and VXZ is -0.39 over 3 years, -0.33 over 1 year and -0.34 over 5 years.
Is VXZ a good diversifier for RXST?
Yes: at -0.39, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.39 mean?
A reading of -0.39 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/rxst-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rxst-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RXST correlations · VXZ correlations
