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

Arch Capital Group (ACGL) reported casualty — year five of 11.5% in Q4 2025.

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

Arch Capital Group's casualty — year five decreased by 0.0% year-over-year, from 11.5% to 11.5%.

What does casualty — year five mean?

Measures the cumulative net loss development for casualty insurance contracts five years post-inception. It serves as a key indicator of the maturity of the underwriting cycle and the adequacy of long-tail liability reserves.

Arch Capital Group ACGL Casualty — Year Five

Other product segments

Property catastrophe

-24.8%+35.4%

Marine and aviation

12.2%+22.0%

Property excluding property catastrophe

5.4%+14.9%

Specialty

5.4%+3.8%

Similar metrics at other companies

GLRECasualty — Year 5

22.2%-1.8pp

SPNTCasualty — Year 5

18.2%-35.0pp

EGCasualty Insurance — Year five

24.9%—

RLICasualty — Shortduration Insurance Contracts Historical Claims Duration Year Five

15%-0.4pp

KNSLCasualty - claims made — Historical Claims Duration, Year Five

9%-0.9pp

EGCasualty Insurance — Year six

22.7%—

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:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive.

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 five?: Arch Capital Group (ACGL) reported casualty — year five of 11.5% in Q4 2025.
How has Arch Capital Group's casualty — year five changed year-over-year?: Arch Capital Group's casualty — year five decreased by 0.0% year-over-year, from 11.5% to 11.5%.
What does casualty — year five mean?: Measures the cumulative net loss development for casualty insurance contracts five years post-inception. It serves as a key indicator of the maturity of the underwriting cycle and the adequacy of long-tail liability reserves.