VTAK vs VXZ: Correlation
Catheter Precision, Inc. (VTAK) 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 -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are VTAK and VXZ?
On 3 years of weekly data the VTAK/VXZ correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.29 over 1 year against -0.22 over 3. The 5-year figure is -0.18, and annualized covariance runs at -849.6 %².
Among the 12 assets we track against VTAK, VXZ sits near the bottom by co-movement, at rank #12. Their recent paths diverged sharply: over the last 12 months VXZ outperformed by 75.6 percentage points (-91.7% for VTAK against -16.1% for VXZ). One caveat on sizing: VTAK is 5.9 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.
VTAK vs VXZ: side by side
| VTAK (Catheter Precision, Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | -91.7% | -16.1% |
| 5-year return | -100.0% | -53.1% |
| Volatility (ann.) | 152.1% | 25.6% |
| Beta vs S&P 500 | 1.39 | -1.31 |
| Max drawdown (3Y) | -99.8% | -36.4% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | VTAK | VXZ |
|---|---|---|
| 2022 | -92.4% | +0.5% |
| 2023 | -93.2% | -44.0% |
| 2024 | -88.7% | -12.7% |
| 2025 | -78.6% | +5.7% |
| 2026 | -88.9% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are VTAK and VXZ good diversifiers for each other?
Yes. With a correlation of -0.22, VTAK and VXZ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between VTAK and VXZ?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.29 over the last year and -0.18 over 5 years.
Is VXZ a good diversifier for VTAK?
Yes. With a correlation of -0.22, VTAK and VXZ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.22 mean?
On the −1 to +1 scale, -0.22 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/vtak-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/vtak-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: VTAK correlations · VXZ correlations