A letter from Open Insurance: We built Open because owners never controlled the data that decides their insurance

Report

2026 Climate and Catastrophe Insight

Aon2026 edition2 min read

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Market Overview

Aon's annual catastrophe report contains a finding that should reshape how owners think about location risk: severe convective storms, meaning hail, tornado, and straight-line wind, have passed hurricanes as the costliest insured peril of this century. Insured losses hit $127 billion in 2025 even in a light year overall, and the Palisades and Eaton fires alone accounted for $41 billion.

About Aon

Aon advises organizations across Risk Capital and Human Capital, combining insurance broking, risk transfer, reinsurance, claims management, analytics, health and benefits, retirement, and talent capabilities. Its Real Estate Practice applies that broader platform to property owners, developers, managers, investors, REITs, and public-sector real estate organizations through dedicated placement, consulting, and analytics resources.

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