Arch Capital Group Marine and aviation — Year Three decreased by 2.5% to 19.8% in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 2.5%, from 20.3% to 19.8%. This is a positive signal — lower values indicate better performance for this metric.
Stability in this metric suggests that the underwriting year is maturing as expected without significant surprises.
Represents the cumulative loss development data for the third year following the inception of an underwriting year in th...
Standard component of loss development triangles in insurance financial reporting.
acgl_segment_marine_and_aviation_year_three| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 19% | 18.3% | 20% | 20.3% | 19.8% |
| QoQ Change | — | -3.7% | +9.3% | +1.5% | -2.5% |
| YoY Change | — | -3.7% | +9.3% | +1.5% | -2.5% |