ACGL vs QNCX: Correlation
How closely do Arch Capital Group (ACGL) and Quince Therapeutics, Inc. (QNCX) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACGL and QNCX?
On 3 years of weekly data the ACGL/QNCX correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.25 lands near the 3-year figure. The 5-year figure is -0.01, and annualized covariance runs at -528.4 %².
Within ACGL's tracked universe of 36 assets, QNCX comes in at #30 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ACGL ahead by 97.3 points (+7.7% versus -89.6%). One caveat on sizing: QNCX is 5.2 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 QNCX: side by side
| ACGL (Arch Capital Group) | QNCX (Quince Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +7.7% | -89.6% |
| 5-year return | +151.8% | -99.8% |
| Volatility (ann.) | 21.5% | 111.4% |
| Beta vs S&P 500 | 0.28 | 0.55 |
| Max drawdown (3Y) | -22.4% | -98.2% |
| Market cap | $33.7B | – |
| P/E (trailing) | 7.9 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | ACGL | QNCX |
|---|---|---|
| 2022 | +41.2% | -95.0% |
| 2023 | +18.3% | +64.8% |
| 2024 | +30.8% | +78.1% |
| 2025 | +3.9% | +79.1% |
| 2026 | +3.0% | -95.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACGL and QNCX good diversifiers for each other?
Yes. With a correlation of -0.22, ACGL and QNCX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ACGL and QNCX?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.25 over the last year and -0.01 over 5 years.
Is QNCX a good diversifier for ACGL?
Yes. With a correlation of -0.22, ACGL and QNCX 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/acgl-vs-qncx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/acgl-vs-qncx/)
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Related comparisons
Hubs: ACGL correlations · QNCX correlations
