What is Arch Capital Group's casualty — year ten?

Arch Capital Group (ACGL) reported casualty — year ten of 3% in Q4 2025.

How has Arch Capital Group's casualty — year ten changed year-over-year?

Arch Capital Group's casualty — year ten decreased by 11.8% year-over-year, from 3.4% to 3%.

What does casualty — year ten mean?

Reflects the cumulative net loss development for casualty insurance business ten years after the policy year. This represents a mature view of the underwriting performance for that specific cohort.

Arch Capital Group ACGL Casualty — Year Ten

Other product segments

Marine and aviation

6.2%+1,450%

Property catastrophe

5.7%-39.4%

Property excluding property catastrophe

-0.7%-800%

Specialty

0.1%-66.7%

Similar metrics at other companies

SPNTCasualty — Year 10

0.5%+0.1pp

EGCasualty Insurance — Year ten

7.9%—

GLRECasualty — Year 10

12.2%+1.4pp

SPNTCasualty — Year 9

1.7%+1.2pp

GLRECasualty — Year 5

22.2%-1.8pp

EGCasualty Insurance — Year nine

9.5%—

Other financials

Income statement

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Revenue$4.5B-3.3%

Net income$1.0B+82.4%

EPS (diluted)$2.88+94.6%

Balance sheet

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Cash & equivalents$1.8B-10.3%

Total debt$2.4B0.0%

Total equity$24.2B+12.3%

Total assets$81.4B+8.3%

Cash flow

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Operating cash flow$1.2B-18.5%

CapEx$8.0M-11.1%

Free cash flow$1.2B-18.6%

Valuation

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Market cap$34.08B0.0%

Enterprise value$34.7B-0.2%

P/E7×-2.1×

P/S1.7×-0.1×

Profitability

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Net margin24.6%+3.9pp

FCF margin29.6%-6.3pp

Returns & leverage

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Return on equity21.3%+2.9pp

Debt / equity0.1×0.0×

Where this comes from

Reported directly by Arch Capital Group in its filing.

Tagged under the XBRL concept us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen.

The official record: Arch Capital Group’s 10-K, filed February 26, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Arch Capital Group's casualty — year ten?: Arch Capital Group (ACGL) reported casualty — year ten of 3% in Q4 2025.
How has Arch Capital Group's casualty — year ten changed year-over-year?: Arch Capital Group's casualty — year ten decreased by 11.8% year-over-year, from 3.4% to 3%.
What does casualty — year ten mean?: Reflects the cumulative net loss development for casualty insurance business ten years after the policy year. This represents a mature view of the underwriting performance for that specific cohort.