NPCE vs VXZ: Correlation
Measured on weekly returns over the past three years, Neuropace, Inc. (NPCE) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) carry a correlation of -0.25, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NPCE and VXZ?
On 3 years of weekly data the NPCE/VXZ correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.26) sits close to the 3-year figure. The 5-year figure is -0.24, and annualized covariance runs at -438.7 %².
Out of 11 assets tracked against NPCE, VXZ lands near the bottom at #10. Their recent paths diverged sharply: over the last 12 months NPCE outperformed by 75.2 percentage points (+59.1% for NPCE against -16.1% for VXZ). Risk is not evenly split, since NPCE carries 2.7 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.
NPCE vs VXZ: side by side
| NPCE (Neuropace, Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +59.1% | -16.1% |
| 5-year return | -32.7% | -53.1% |
| Volatility (ann.) | 69.9% | 25.6% |
| Beta vs S&P 500 | 0.85 | -1.31 |
| Max drawdown (3Y) | -66.3% | -36.4% |
| Market cap | $0.5B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NPCE | VXZ |
|---|---|---|
| 2022 | -85.2% | +0.5% |
| 2023 | +591.9% | -44.0% |
| 2024 | +8.5% | -12.7% |
| 2025 | +38.0% | +5.7% |
| 2026 | -8.5% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NPCE and VXZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
FAQ
What is the correlation between NPCE and VXZ?
Using weekly returns as of 2026-08-27: -0.25 over 3 years, with -0.26 over the last year and -0.24 over 5 years.
Is VXZ a good diversifier for NPCE?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
What does a correlation of -0.25 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/npce-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/npce-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NPCE correlations · VXZ correlations
