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HALO vs VHI: Correlation

How closely do Halozyme Therapeutics, Inc. (HALO) and Valhi, Inc. (VHI) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.

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

Correlation (3Y)
0.39
moderate
Correlation (1Y)
0.39
last 12 months
Correlation (5Y)
0.35
long-run
Ann. covariance
973.1
%² · weekly, annualized

How correlated are HALO and VHI?

Over the past 3 years, HALO and VHI moved with a correlation of 0.39, which is moderate. The relationship has been stable: the 1-year correlation (0.39) sits close to the 3-year figure. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 973.1 %².

Among the 12 assets we track against HALO, VHI ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with HALO ahead by 39.0 points (+46.1% versus +7.1%).

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.

HALO vs VHI: side by side

HALO (Halozyme Therapeutics, Inc.)VHI (Valhi, Inc.)
1-year return+46.1%+7.1%
5-year return+154.8%-14.8%
Volatility (ann.)41.5%59.4%
Beta vs S&P 5000.541.08
Max drawdown (3Y)-33.9%-71.3%
Market cap$12.1B$0.5B
P/E (trailing)31.4
Dividend yield0.00%1.74%
Sector / categoryUS ListedUS Listed
Higher yield: VHI 1.74% vs 0.00%Smaller drawdown: HALO -33.9% vs -71.3%Higher 5y return: HALO +154.8% vs -14.8%
-27%0%+44%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. HALO · VHI

Year-by-year returns

YearHALOVHI
2022+41.5%-22.7%
2023-35.0%-29.4%
2024+29.4%+56.5%
2025+40.8%-47.4%
2026+58.9%+49.2%

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

Are HALO and VHI good diversifiers for each other?

A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between HALO and VHI?

The HALO/VHI correlation stands at 0.39 on a 3-year window (1 year: 0.39, 5 years: 0.35), computed from weekly returns as of 2026-08-27.

Is VHI a good diversifier for HALO?

A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.39 mean?

A reading of 0.39 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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$ curl https://www.pairbook.io/api/v1/pairs/halo-vs-vhi.json

HALO vs VHI: 3-year weekly correlation 0.39HALO vs VHI0.39

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Related comparisons

Hubs: HALO correlations · VHI correlations