What is Arch Capital Group's property catastrophe — year eight?

Arch Capital Group (ACGL) reported property catastrophe — year eight of 1% in Q4 2025.

How has Arch Capital Group's property catastrophe — year eight changed year-over-year?

Arch Capital Group's property catastrophe — year eight decreased by 33.3% year-over-year, from 1.5% to 1%.

What does property catastrophe — year eight mean?

Represents the net loss development or reserve adjustment for property catastrophe reinsurance contracts eight years after the initial underwriting year. This metric helps quantify the long-term accuracy of historical underwriting decisions in the catastrophe space.

Arch Capital Group ACGL Property catastrophe — Year Eight

Other product segments

Casualty

6.8%-5.6%

Marine and aviation

1.1%-21.4%

Property excluding property catastrophe

0.7%+250%

Specialty

0.5%-28.6%

Similar metrics at other companies

SPNTProperty Catastrophe — Year 8

2.5%-0.4pp

EGProperty Insurance — Year eight

1.8%-0.2pp

AFGProperty and casualty insurance — Year 8

3.8%-0.6pp

SPNTProperty Catastrophe — Year 9

1.9%—

SPNTProperty Catastrophe — Year 7

1.7%-1.4pp

SPNTProperty Catastrophe — Year 2

40.8%-7.0pp

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:ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight.

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 property catastrophe — year eight?: Arch Capital Group (ACGL) reported property catastrophe — year eight of 1% in Q4 2025.
How has Arch Capital Group's property catastrophe — year eight changed year-over-year?: Arch Capital Group's property catastrophe — year eight decreased by 33.3% year-over-year, from 1.5% to 1%.
What does property catastrophe — year eight mean?: Represents the net loss development or reserve adjustment for property catastrophe reinsurance contracts eight years after the initial underwriting year. This metric helps quantify the long-term accuracy of historical underwriting decisions in the catastrophe space.