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HOWL vs VXZ: Correlation

Werewolf Therapeutics, Inc. (HOWL) 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 -0.24.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.24
negative
Correlation (1Y)
-0.22
last 12 months
Correlation (5Y)
-0.24
long-run
Ann. covariance
-772.8
%² · weekly, annualized

How correlated are HOWL and VXZ?

On 3 years of weekly data the HOWL/VXZ correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.22) sits close to the 3-year figure. The 5-year figure is -0.24, and annualized covariance runs at -772.8 %².

VXZ is close to the least connected end of HOWL's tracked universe, ranking #10 of 10. On 12-month performance VXZ holds a 10.9-point edge, -27.0% against -16.1%. Note the risk asymmetry: HOWL runs 4.8 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.

HOWL vs VXZ: side by side

HOWL (Werewolf Therapeutics, Inc.)VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN)
1-year return-27.0%-16.1%
5-year return-94.4%-53.1%
Volatility (ann.)124.1%25.6%
Beta vs S&P 5001.39-1.31
Max drawdown (3Y)-96.1%-36.4%
Market cap
P/E (trailing)
Dividend yield0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: VXZ -36.4% vs -96.1%Higher 5y return: VXZ -53.1% vs -94.4%
-76%0%+53%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. HOWL · VXZ

Year-by-year returns

YearHOWLVXZ
2022-82.8%+0.5%
2023+88.3%-44.0%
2024-61.7%-12.7%
2025-57.2%+5.7%
2026+53.1%-10.5%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are HOWL and VXZ good diversifiers for each other?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between HOWL and VXZ?

The HOWL/VXZ correlation stands at -0.24 on a 3-year window (1 year: -0.22, 5 years: -0.24), computed from weekly returns as of 2026-08-27.

Is VXZ a good diversifier for HOWL?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.24 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/howl-vs-vxz.json

HOWL vs VXZ: 3-year weekly correlation -0.24HOWL vs VXZ-0.24

Drop this badge in a README or notebook; it updates with the data:

[![HOWL vs VXZ correlation](https://www.pairbook.io/api/v1/badge/howl-vs-vxz.svg)](https://www.pairbook.io/pair/howl-vs-vxz/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: HOWL correlations · VXZ correlations