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HOWL vs VXX: Correlation

Measured on weekly returns over the past three years, Werewolf Therapeutics, Inc. (HOWL) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.24, a negative link.

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

Correlation (3Y)
-0.24
negative
Correlation (1Y)
-0.15
last 12 months
Correlation (5Y)
-0.24
long-run
Ann. covariance
-1836.6
%² · weekly, annualized

How correlated are HOWL and VXX?

Across a 3-year window, the weekly returns of HOWL and VXX correlate at -0.24, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.15 over 1 year against -0.24 over 3. Stretching to 5 years gives -0.24, with an annualized covariance of -1836.6 %².

Among the 10 assets we track against HOWL, VXX sits near the bottom by co-movement, at rank #9. Their recent paths diverged sharply: over the last 12 months HOWL outperformed by 22.7 percentage points (-27.0% for HOWL against -49.7% for VXX). Note the risk asymmetry: HOWL runs 2.0 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 VXX: side by side

HOWL (Werewolf Therapeutics, Inc.)VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN)
1-year return-27.0%-49.7%
5-year return-94.4%-95.6%
Volatility (ann.)124.1%60.9%
Beta vs S&P 5001.39-3.31
Max drawdown (3Y)-96.1%-83.3%
Market cap
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: VXX -83.3% vs -96.1%Higher 5y return: HOWL -94.4% vs -95.6%
-76%0%+53%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. HOWL · VXX

Year-by-year returns

YearHOWLVXX
2022-82.8%-23.8%
2023+88.3%-72.5%
2024-61.7%-26.2%
2025-57.2%-42.2%
2026+53.1%-31.6%

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

Are HOWL and VXX 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 VXX?

The HOWL/VXX correlation stands at -0.24 on a 3-year window (1 year: -0.15, 5 years: -0.24), computed from weekly returns as of 2026-08-27.

Is VXX 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?

On the −1 to +1 scale, -0.24 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

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$ curl https://www.pairbook.io/api/v1/pairs/howl-vs-vxx.json

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

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Related comparisons

Hubs: HOWL correlations · VXX correlations