Arch Capital Group Property, energy, marine and aviation — Year Two decreased by 5.5% to 41.4% in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 5.5%, from 43.8% to 41.4%. This is a positive signal — lower values indicate better performance for this metric.
Changes in year-two development help confirm or adjust the initial loss estimates made in year one.
This represents the development or loss experience specifically observed during the second year following the inception...
Standard actuarial metric used in loss development triangles to project ultimate losses.
acgl_segment_property_energy_marine_and_aviation_year_two| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 43.5% | 44.2% | 43.7% | 43.8% | 41.4% |
| QoQ Change | — | +1.6% | -1.1% | +0.2% | -5.5% |
| YoY Change | — | +1.6% | -1.1% | +0.2% | -5.5% |