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🌪️ '''Property catastrophe''' — often shortened to "property cat" in market parlance — refers to large-scale [[Definition:Loss | loss]] events that simultaneously damage a vast number of [[Definition:Property insurance | property]] [[Definition:Insurance policy | policies]] within a defined geographic area, generating [[Definition:Claim | claims]] that materially exceed an insurer's or [[Definition:Reinsurance | reinsurer's]] normal loss expectations. Hurricanes, earthquakes, wildfires, and severe convective storms are the archetypal triggers. Within the insurance and [[Definition:Reinsurance | reinsurance]] markets, property catastrophe is not merely a peril description — it is a distinct risk class with its own pricing mechanisms, [[Definition:Capital | capital]] structures, and dedicated trading venues, including [[Definition:Lloyd's of London | Lloyd's of London]] and the [[Definition:Insurance-linked securities (ILS) | ILS]] market.

📐 The economics of property catastrophe risk revolve around [[Definition:Catastrophe modeling | catastrophe models]], which simulate thousands of potential event scenarios to estimate [[Definition:Probable maximum loss (PML) | probable maximum loss]], [[Definition:Average annual loss (AAL) | average annual loss]], and tail-risk metrics such as the [[Definition:Value at risk (VaR) | value at risk]] at various return periods. [[Definition:Insurance carrier | Primary insurers]] transfer peaks of property catastrophe exposure to reinsurers through [[Definition:Catastrophe excess of loss reinsurance | catastrophe excess-of-loss]] treaties, which attach above a specified retention and pay out when aggregate event losses breach that threshold. Beyond traditional reinsurance, [[Definition:Catastrophe bond | catastrophe bonds]] and [[Definition:Industry loss warranty (ILW) | industry loss warranties]] allow insurers to access [[Definition:Capital markets | capital-markets]] capacity, diversifying their sources of protection and often locking in multi-year pricing stability.

💡 Property catastrophe exposure is the single largest driver of volatility on the balance sheets of many global insurers and reinsurers, making it a focal point for [[Definition:Rating agency | rating agencies]], [[Definition:Insurance regulator | regulators]], and investors alike. Events like Hurricane Andrew, the Tōhoku earthquake, and Hurricane Ian have reshaped market structure, triggering waves of insolvencies, capital inflows, and regulatory reform. As [[Definition:Climate risk | climate change]] alters the frequency and severity of extreme weather, the property catastrophe market faces mounting pressure to refine models, adjust pricing, and expand coverage into regions previously considered low-risk. For [[Definition:Insurtech | insurtechs]] and data-analytics firms, this evolving landscape presents an opportunity to deliver sharper risk selection, faster [[Definition:Claims handling | claims resolution]], and innovative products such as [[Definition:Parametric insurance | parametric catastrophe covers]] that pay out based on event parameters rather than assessed damage.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Catastrophe modeling]]
* [[Definition:Catastrophe bond]]
* [[Definition:Catastrophe excess of loss reinsurance]]
* [[Definition:Probable maximum loss (PML)]]
* [[Definition:Natural catastrophe]]
* [[Definition:Insurance-linked securities (ILS)]]
{{Div col end}}

Definition:Property catastrophe - Revision history

PlumBot: Bot: Creating new article from JSON