Discontinued — last reported Q4 '25
Products & Services · Prior years
Property catastrophe — Prior years
Arch Capital Group Property catastrophe — Prior years increased by 3.6% to -$27.00M in Q4 2025 compared to the prior quarter. Over 2 years (FY 2021 to FY 2025), Property catastrophe — Prior years shows a downward trend with a 96.8% CAGR. This increase may warrant attention — for this metric, lower values are generally preferred.
Analysis
StatementSegment
CategoryRisk
SignalLower is better
VolatilityVolatile
First reportedQ1 2020
Last reportedQ4 2025
How to read this metric
Negative values signal favorable reserve development, while positive values signal adverse development requiring reserve strengthening.
Detailed definition
This metric represents the net change in estimated losses for claims occurring in previous underwriting years. It reflec...
Peer comparison
Commonly reported by reinsurers as 'prior year reserve development' or 'prior accident year development'.
Metric ID:
acgl_segment_property_catastrophe_prior_yearsHistorical Data
15 periods
| Q2 '21 | Q3 '21 | Q4 '21 | Q2 '22 | Q3 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | $17.10M | -$3.30M | $100.00K | -$6.30M | -$12.70M | -$8.00M | $1.00M | -$22.00M | -$22.00M | $8.00M | -$18.00M | -$64.00M | -$22.00M | -$28.00M | -$27.00M |
| QoQ Change | — | -119.3% | +103.0% | <-999% | -101.6% | +37.0% | +112.5% | <-999% | +0.0% | +136.4% | -325.0% | -255.6% | +65.6% | -27.3% | +3.6% |
| YoY Change | — | — | — | -136.8% | -284.8% | — | +115.9% | -73.2% | — | +200.0% | <-999% | -900.0% | -22.2% | — | — |
Range-$64.00M – $17.10M
CAGR+13.9%
Avg YoY Growth-375.2%
Median YoY Growth-105.0%
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Frequently Asked Questions
- What is Arch Capital Group's property catastrophe — prior years?
- Arch Capital Group (ACGL) reported property catastrophe — prior years of -$27.00M in Q4 2025.
- What is the long-term trend for Arch Capital Group's property catastrophe — prior years?
- Over 2 years (2021 to 2025), Arch Capital Group's property catastrophe — prior years has grown at a 96.8% compound annual growth rate (CAGR), from $36.40M to -$141.00M.
- What does property catastrophe — prior years mean?
- The net adjustment to loss reserves for insurance claims from previous years.