Products & Services · Year One
Third party claims-made business — Year One
Arch Capital Group Third party claims-made business — Year One increased by 6.8% to 4.7% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 6.8%, from 4.4% to 4.7%. This increase may warrant attention — for this metric, lower values are generally preferred.
Analysis
StatementSegment
CategoryEfficiency
SignalLower is better
VolatilityModerate
First reportedQ4 2018
Last reportedQ4 2025
How to read this metric
Higher-than-expected activity in year one may indicate a shift in claim frequency or a need for more aggressive initial reserving.
Detailed definition
This metric represents the loss development or claims activity specifically observed during the first year following the...
Peer comparison
Standard actuarial development triangle component; peers use this to benchmark early-year loss emergence against historical averages.
Metric ID:
acgl_segment_third_party_claims_made_business_year_oneHistorical Data
5 periods
| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 4.4% | 4.1% | 4.1% | 4.4% | 4.7% |
| QoQ Change | — | -6.8% | +0.0% | +7.3% | +6.8% |
| YoY Change | — | -6.8% | +0.0% | +7.3% | +6.8% |
Range4.1% – 4.7%
CAGR+6.8%
Avg YoY Growth+1.8%
Median YoY Growth+3.4%
Current Streak3 quarters growth
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Frequently Asked Questions
- What is Arch Capital Group's third party claims-made business — year one?
- Arch Capital Group (ACGL) reported third party claims-made business — year one of 4.7% in Q4 2025.
- How has Arch Capital Group's third party claims-made business — year one changed year-over-year?
- Arch Capital Group's third party claims-made business — year one increased by 6.8% year-over-year, from 4.4% to 4.7%.
- What does third party claims-made business — year one mean?
- Claims activity and loss development observed during the first year of an underwriting period.