SPXX vs VXZ: Correlation
Nuveen S&P 500 Dynamic Overwrite Fund (SPXX) 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 -0.70.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPXX and VXZ?
Across a 3-year window, the weekly returns of SPXX and VXZ correlate at -0.70, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.67) sits close to the 3-year figure. Stretching to 5 years gives -0.61, with an annualized covariance of -256.1 %².
Among the 11 assets we track against SPXX, VXZ sits near the bottom by co-movement, at rank #9. Correlation aside, the last 12 months split them widely, with SPXX ahead by 31.0 points (+14.9% versus -16.1%). One caveat on sizing: VXZ is 1.8 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.
SPXX vs VXZ: side by side
| SPXX (Nuveen S&P 500 Dynamic Overwrite Fund) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +14.9% | -16.1% |
| 5-year return | +52.8% | -53.1% |
| Volatility (ann.) | 14.3% | 25.6% |
| Beta vs S&P 500 | 0.87 | -1.31 |
| Max drawdown (3Y) | -17.6% | -36.4% |
| Market cap | $0.3B | – |
| P/E (trailing) | 8.6 | – |
| Dividend yield | 7.07% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SPXX | VXZ |
|---|---|---|
| 2022 | -6.9% | +0.5% |
| 2023 | +0.9% | -44.0% |
| 2024 | +27.1% | -12.7% |
| 2025 | +9.8% | +5.7% |
| 2026 | +11.0% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPXX and VXZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.70 means the two rarely move for the same reasons.
FAQ
What is the correlation between SPXX and VXZ?
The SPXX/VXZ correlation stands at -0.70 on a 3-year window (1 year: -0.67, 5 years: -0.61), computed from weekly returns as of 2026-08-27.
Is VXZ a good diversifier for SPXX?
By historical standards, yes. A correlation of -0.70 means the two rarely move for the same reasons.
What does a correlation of -0.70 mean?
A reading of -0.70 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/spxx-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/spxx-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SPXX correlations · VXZ correlations
