Products & Services · Year Two
Third party occurrence business — Year Two
Arch Capital Group Third party occurrence business — Year Two increased by 1.0% to 10.1% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 1.0%, from 10.0% to 10.1%. 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
Changes in year two activity help confirm or adjust the initial loss development factors used in actuarial modeling.
Detailed definition
This metric captures the loss development or claim activity observed during the second year following the inception of t...
Peer comparison
Standard actuarial development triangle component used to analyze claim reporting patterns across the industry.
Metric ID:
acgl_segment_third_party_occurrence_business_year_twoHistorical Data
5 periods
| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 9.3% | 9.3% | 9.4% | 10% | 10.1% |
| QoQ Change | — | +0.0% | +1.1% | +6.4% | +1.0% |
| YoY Change | — | +0.0% | +1.1% | +6.4% | +1.0% |
Range9.3% – 10.1%
CAGR+8.6%
Avg YoY Growth+2.1%
Median YoY Growth+1.0%
Current Streak4+ quarters growth
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Frequently Asked Questions
- What is Arch Capital Group's third party occurrence business — year two?
- Arch Capital Group (ACGL) reported third party occurrence business — year two of 10.1% in Q4 2025.
- How has Arch Capital Group's third party occurrence business — year two changed year-over-year?
- Arch Capital Group's third party occurrence business — year two increased by 1.0% year-over-year, from 10.0% to 10.1%.
- What does third party occurrence business — year two mean?
- The loss activity observed during the second year of an underwriting period.