Products & Services · Year One

Property, energy, marine and aviation — Year One

Arch Capital Group Property, energy, marine and aviation — Year One increased by 7.0% to 23.0% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 7.0%, from 21.5% to 23.0%. This increase may warrant attention — for this metric, lower values are generally preferred.

Analysis

StatementSegment
CategoryProfitability
SignalLower is better
VolatilityModerate
First reportedQ4 2018
Last reportedQ4 2025

How to read this metric

Early-year loss development provides an initial indicator of the profitability of the underwriting year.

Detailed definition

This represents the development or loss experience specifically observed during the first year following the inception o...

Peer comparison

Standard actuarial metric used in loss development triangles to project ultimate losses.

Metric ID: acgl_segment_property_energy_marine_and_aviation_year_one

Historical Data

5 periods
 Q4 '21Q4 '22Q4 '23Q4 '24Q4 '25
Value19.3%20.3%20.5%21.5%23%
QoQ Change+5.2%+1.0%+4.9%+7.0%
YoY Change+5.2%+1.0%+4.9%+7.0%
Range19.3%23%
CAGR+19.2%
Avg YoY Growth+4.5%
Median YoY Growth+5.0%
Current Streak4+ quarters growth

Frequently Asked Questions

What is Arch Capital Group's property, energy, marine and aviation — year one?
Arch Capital Group (ACGL) reported property, energy, marine and aviation — year one of 23.0% in Q4 2025.
How has Arch Capital Group's property, energy, marine and aviation — year one changed year-over-year?
Arch Capital Group's property, energy, marine and aviation — year one increased by 7.0% year-over-year, from 21.5% to 23.0%.
What does property, energy, marine and aviation — year one mean?
The claims experience observed in the first year after a policy year begins.