Arch Capital Group Property catastrophe — Year Five increased by 35.4% to -24.8% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 35.4%, from -38.4% to -24.8%. This increase may warrant attention — for this metric, lower values are generally preferred.
Consistent negative development signals strong initial underwriting discipline and accurate reserving practices.
Represents the net loss development or reserve adjustment for property catastrophe reinsurance contracts five years afte...
Standard actuarial reporting for long-tail or multi-year reinsurance contracts.
acgl_segment_property_catastrophe_year_five| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | -11.6% | -10.7% | -6.2% | -38.4% | -24.8% |
| QoQ Change | — | +7.8% | +42.1% | -519.4% | +35.4% |
| YoY Change | — | +7.8% | +42.1% | -519.4% | +35.4% |