Arch Capital Group Specialty — Year Two decreased by 3.4% to 28.2% in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 3.4%, from 29.2% to 28.2%. This is a positive signal — lower values indicate better performance for this metric.
Trends in year two development help confirm if initial year-one estimates were accurate or if adjustments to reserves are required.
This represents the loss development or performance metrics for the second year of an underwriting cohort's lifecycle. I...
Standard component of loss development triangle analysis in the insurance industry.
acgl_segment_specialty_year_two| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 34.2% | 29.9% | 29.9% | 29.2% | 28.2% |
| QoQ Change | — | -12.6% | +0.0% | -2.3% | -3.4% |
| YoY Change | — | -12.6% | +0.0% | -2.3% | -3.4% |