Arch Capital Group Third party claims-made business — Year Ten remained flat by 0.0% to 2.4% in Q4 2025 compared to the prior quarter. Year-over-year, this metric was flat by 0.0%, from 2.4% to 2.4%. This is a positive signal — lower values indicate better performance for this metric.
Stability at the ten-year mark indicates that the company's historical underwriting and reserving processes were highly accurate.
This metric measures the incurred loss development for third-party claims-made business at the ten-year maturity mark, r...
Standard benchmark for assessing the ultimate loss ratio performance of mature insurance underwriting vintages.
acgl_segment_third_party_claims_made_business_year_ten| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 1.7% | 2.4% | 2% | 2.4% | 2.4% |
| QoQ Change | — | +41.2% | -16.7% | +20.0% | +0.0% |
| YoY Change | — | +41.2% | -16.7% | +20.0% | +0.0% |