Products & Services · Year Nine

Property catastrophe — Year Nine

Arch Capital Group Property catastrophe — Year Nine increased by 375.0% to 2.2% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 375.0%, from -0.8% to 2.2%. This increase may warrant attention — for this metric, lower values are generally preferred.

Analysis

StatementSegment
CategoryRisk
SignalLower is better
VolatilityStable
First reportedQ4 2018
Last reportedQ4 2025

How to read this metric

Consistent results at this stage reflect high-quality historical actuarial modeling.

Detailed definition

Represents the net loss development or reserve adjustment for property catastrophe reinsurance contracts nine years afte...

Peer comparison

Standard long-term reserve development reporting for global reinsurance firms.

Metric ID: acgl_segment_property_catastrophe_year_nine

Historical Data

5 periods
 Q4 '21Q4 '22Q4 '23Q4 '24Q4 '25
Value-0.4%-0.5%-1.7%-0.8%2.2%
QoQ Change-25.0%-240.0%+52.9%+375.0%
YoY Change-25.0%-240.0%+52.9%+375.0%
Range-1.7%2.2%
CAGR+450.0%
Avg YoY Growth+40.7%
Median YoY Growth+14.0%
Current Streak2 quarters growth

Frequently Asked Questions

What is Arch Capital Group's property catastrophe — year nine?
Arch Capital Group (ACGL) reported property catastrophe — year nine of 2.2% in Q4 2025.
How has Arch Capital Group's property catastrophe — year nine changed year-over-year?
Arch Capital Group's property catastrophe — year nine increased by 375.0% year-over-year, from -0.8% to 2.2%.
What does property catastrophe — year nine mean?
The net change in estimated losses for property catastrophe policies nine years after they were written.