Arch Capital Group Third party occurrence business — Year Seven increased by 10.9% to 6.1% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 10.9%, from 5.5% to 6.1%. This increase may warrant attention — for this metric, lower values are generally preferred.
Consistent figures indicate mature, well-understood risk profiles, while volatility suggests unexpected late-stage claim emergence.
Represents the net incurred losses or premiums associated with third-party occurrence-based insurance policies specifica...
Standard actuarial development metric for long-tail casualty or liability business.
acgl_segment_third_party_occurrence_business_year_seven| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 5.4% | 5.4% | 5.6% | 5.5% | 6.1% |
| QoQ Change | — | +0.0% | +3.7% | -1.8% | +10.9% |
| YoY Change | — | +0.0% | +3.7% | -1.8% | +10.9% |