PairBook
HomeACGL › ACGL vs VBIO

ACGL vs VBIO: Correlation

Measured on weekly returns over the past three years, Arch Capital Group (ACGL) and Valion Bio, Inc. (VBIO) carry a correlation of -0.22, a negative link.

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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.04
last 12 months
Correlation (5Y)
-0.18
long-run
Ann. covariance
-695.1
%² · weekly, annualized

How correlated are ACGL and VBIO?

Across a 3-year window, the weekly returns of ACGL and VBIO correlate at -0.22, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.04) runs above the 3-year figure (-0.22). Stretching to 5 years gives -0.18, with an annualized covariance of -695.1 %².

Among the 36 assets we track against ACGL, VBIO ranks #31 by 3-year correlation. The last year tells two different stories: ACGL led by 103.7 percentage points, +7.7% for ACGL against -96.0% for VBIO. One caveat on sizing: VBIO is 6.9 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.

ACGL vs VBIO: side by side

ACGL (Arch Capital Group)VBIO (Valion Bio, Inc.)
1-year return+7.7%-96.0%
5-year return+151.8%-100.0%
Volatility (ann.)21.5%147.8%
Beta vs S&P 5000.281.27
Max drawdown (3Y)-22.4%-99.8%
Market cap$33.7B
P/E (trailing)7.9
Dividend yield0.00%0.00%
Sector / categoryFinancialsUS Listed
Smaller drawdown: ACGL -22.4% vs -99.8%Higher 5y return: ACGL +151.8% vs -100.0%
-96%0%+13%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ACGL · VBIO

Year-by-year returns

YearACGLVBIO
2022+41.2%-83.5%
2023+18.3%-97.2%
2024+30.8%-80.8%
2025+3.9%-75.3%
2026+3.0%-91.5%

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

Are ACGL and VBIO good diversifiers for each other?

Yes. With a correlation of -0.22, ACGL and VBIO have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between ACGL and VBIO?

The ACGL/VBIO correlation stands at -0.22 on a 3-year window (1 year: -0.04, 5 years: -0.18), computed from weekly returns as of 2026-08-27.

Is VBIO a good diversifier for ACGL?

Yes. With a correlation of -0.22, ACGL and VBIO have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.22 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/acgl-vs-vbio.json

ACGL vs VBIO: 3-year weekly correlation -0.22ACGL vs VBIO-0.22

Markdown for the live badge, attribution link included:

[![ACGL vs VBIO correlation](https://www.pairbook.io/api/v1/badge/acgl-vs-vbio.svg)](https://www.pairbook.io/pair/acgl-vs-vbio/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: ACGL correlations · VBIO correlations