Arch Capital Group Property, energy, marine and aviation — Year Five increased by 37.5% to 3.3% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 37.5%, from 2.4% to 3.3%. This increase may warrant attention — for this metric, lower values are generally preferred.
Decreases indicate favorable reserve development, while increases suggest adverse development and potential under-reserving.
Represents the development of loss reserves for the property, energy, marine, and aviation underwriting segment specific...
Standard actuarial metric for assessing long-tail liability and property claim accuracy across the insurance industry.
acgl_segment_property_energy_marine_and_aviation_year_five| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 1.4% | 1.5% | 2.2% | 2.4% | 3.3% |
| QoQ Change | — | +7.1% | +46.7% | +9.1% | +37.5% |
| YoY Change | — | +7.1% | +46.7% | +9.1% | +37.5% |