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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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.29
last 12 months
Correlation (5Y)
-0.18
long-run
Ann. covariance
-849.6
%² · weekly, annualized

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 5001.39-1.31
Max drawdown (3Y)-99.8%-36.4%
Market cap
P/E (trailing)
Dividend yield0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: VXZ -36.4% vs -99.8%Higher 5y return: VXZ -53.1% vs -100.0%
-92%0%+12%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. VTAK · VXZ

Year-by-year returns

YearVTAKVXZ
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.

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VTAK vs VXZ: 3-year weekly correlation -0.22VTAK vs VXZ-0.22

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Hubs: VTAK correlations · VXZ correlations