Arch Capital Group Specialty — Year Three increased by 2.8% to 14.6% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 2.8%, from 14.2% to 14.6%. This increase may warrant attention — for this metric, lower values are generally preferred.
Stability in year three development indicates that the underwriting year is maturing as expected, while volatility suggests potential reserve risk.
This represents the loss development or performance metrics for the third year of an underwriting cohort's lifecycle. At...
Standard component of loss development triangle analysis in the insurance industry.
acgl_segment_specialty_year_three| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 12.9% | 13.1% | 13.9% | 14.2% | 14.6% |
| QoQ Change | — | +1.6% | +6.1% | +2.2% | +2.8% |
| YoY Change | — | +1.6% | +6.1% | +2.2% | +2.8% |