Products & Services · Year Three
Casualty — Year Three
Arch Capital Group Casualty — Year Three decreased by 0.8% to 11.8% in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 0.8%, from 11.9% to 11.8%.
Analysis
StatementSegment
CategoryEfficiency
SignalContext dependent
VolatilityModerate
First reportedQ4 2018
Last reportedQ4 2025
How to read this metric
Used to refine long-term loss projections and assess the stability of the casualty book.
Detailed definition
The loss development experience for the casualty segment during the third year following the initial underwriting year....
Peer comparison
Standard component of actuarial loss development triangles.
Metric ID:
acgl_segment_casualty_year_threeHistorical Data
5 periods
| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 11.6% | 12.4% | 12.1% | 11.9% | 11.8% |
| QoQ Change | — | +6.9% | -2.4% | -1.7% | -0.8% |
| YoY Change | — | +6.9% | -2.4% | -1.7% | -0.8% |
Range11.6% – 12.4%
CAGR+1.7%
Avg YoY Growth+0.5%
Median YoY Growth-1.2%
Current Streak3 quarters decline
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Frequently Asked Questions
- What is Arch Capital Group's casualty — year three?
- Arch Capital Group (ACGL) reported casualty — year three of 11.8% in Q4 2025.
- How has Arch Capital Group's casualty — year three changed year-over-year?
- Arch Capital Group's casualty — year three decreased by 0.8% year-over-year, from 11.9% to 11.8%.
- What does casualty — year three mean?
- The claims experience for casualty policies in their third year of development.