NMIH vs VXX: Correlation
NMI Holdings Inc (NMIH) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) 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 NMIH and VXX?
Across a 3-year window, the weekly returns of NMIH and VXX correlate at -0.32, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.16) runs above the 3-year figure (-0.32). Stretching to 5 years gives -0.31, with an annualized covariance of -470.9 %².
VXX is close to the least connected end of NMIH's tracked universe, ranking #13 of 14. Correlation aside, the last 12 months split them widely, with NMIH ahead by 62.6 points (+12.9% versus -49.7%). Note the risk asymmetry: VXX runs 2.5 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.
NMIH vs VXX: side by side
| NMIH (NMI Holdings Inc) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +12.9% | -49.7% |
| 5-year return | +99.5% | -95.6% |
| Volatility (ann.) | 24.1% | 60.9% |
| Beta vs S&P 500 | 0.55 | -3.31 |
| Max drawdown (3Y) | -21.4% | -83.3% |
| Market cap | $3.4B | – |
| P/E (trailing) | 8.9 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NMIH | VXX |
|---|---|---|
| 2022 | -4.3% | -23.8% |
| 2023 | +42.0% | -72.5% |
| 2024 | +23.9% | -26.2% |
| 2025 | +11.0% | -42.2% |
| 2026 | +9.8% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NMIH and VXX good diversifiers for each other?
Yes: at -0.32, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between NMIH and VXX?
Using weekly returns as of 2026-08-27: -0.32 over 3 years, with -0.16 over the last year and -0.31 over 5 years.
Is VXX a good diversifier for NMIH?
Yes: at -0.32, the two have gone their own ways historically, which is what genuine diversification looks like.
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/nmih-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/nmih-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
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Hubs: NMIH correlations · VXX correlations