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ACGL insider trades (13 months) →

Arch Capital Group Ltd. (ACGL): Quantitative Analysis

Arch Capital Group Ltd. (ACGL) — Financial Services — Insurance - Diversified. ACGL is in the S&P 500 today. Model factor scores and market data, recalculated every trading day.

So far in 2026, ACGL has returned +1.0% against +12.2% for the S&P 500 (SPY): total return, dividends included on both sides, from Dec 31, 2025 to Sep 18, 2026.

Its strongest factor is value (Z 1.17, ranked 29 of 494); its weakest is growth (Z -0.33, ranked 354 of 494). Each factor ranks only the companies with data for it, and the multifactor score only those with all four: that is why the totals differ.

Factor scores

The Z-Score is how many standard deviations the company sits from the index average: 0 is average, positive is better than average, negative is worse.

FactorZ-ScoreRank
Momentum0.068205 of 497 ↓2
Value1.16529 of 494 ↓1
Growth-0.327354 of 494 ↑1

Market data

MetricValue
Price$96.89
Market Cap33.04B
P/E7.56
Revenue (last 12 months)19.23B
Price / book1.42
Book value per share$68.32
52-week range$82.45 – $107.09
Beta0.28
Average volume2,360,492
Shares outstanding341.00M
Short interest (% of float)2.53% (as of Aug 31, 2026)

When does ACGL report earnings? 12 of its last 12, after the close →

What are ACGL insiders doing? 53 transactions filed with the SEC, of them 1 buy and 11 sells, the last one on Aug 18, 2026 →

Data as of Sep 18, 2026. Source: point-in-time SEC fundamentals and closing prices. Method and formulas are on the home page.

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S&P 500 market gravity