Arch Capital Group ACGL Property catastrophe — Year One
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Where this comes from
Reported directly by Arch Capital Group in its filing.
Tagged under the XBRL concept us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne.
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 one?
- Arch Capital Group (ACGL) reported property catastrophe — year one of -62.4% in Q4 2025.
- How has Arch Capital Group's property catastrophe — year one changed year-over-year?
- Arch Capital Group's property catastrophe — year one increased by 53.5% year-over-year, from -134.2% to -62.4%.
- What does property catastrophe — year one mean?
- This metric represents the loss development or claim activity specifically observed during the first year following the inception of an underwriting year. It is a key data point in actuarial triangles used to forecast ultimate losses. It helps determine how quickly claims are reported and paid in the immediate aftermath of a policy period.