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📜 '''Loss warranty''' is a clause used in [[Definition:Reinsurance | reinsurance]] contracts that conditions coverage on the total industry or cedent loss from an event reaching a specified monetary threshold before the reinsurance responds. It functions as a gating mechanism: if the defined loss figure — often an industry-wide insured loss as reported by a recognized agency — falls below the warranty amount, the [[Definition:Reinsurer | reinsurer]] has no obligation to pay, regardless of the [[Definition:Cedent | cedent's]] individual loss. Loss warranties are most commonly found in [[Definition:Property catastrophe reinsurance | property catastrophe]] reinsurance programs and [[Definition:Retrocession | retrocession]] placements, where they help reinsurers manage their exposure to attritional or smaller-than-catastrophic events.

⚙️ Two principal forms exist. An "hours clause" or "event" loss warranty ties activation to the total insured market loss from a single defined event — for example, a reinsurer might agree to pay only if industry losses from a named hurricane exceed $10 billion. An "ultimate net loss" warranty, by contrast, may reference the cedent's own net loss from the event, requiring it to surpass a stated figure before recovery is available. The loss warranty is distinct from the [[Definition:Attachment point | attachment point]] of the reinsurance layer, though both serve to limit the reinsurer's exposure; a contract can have both, meaning the cedent must satisfy both the warranty threshold and the attachment before collecting. Verification of whether a loss warranty has been met can introduce delay and dispute, particularly when industry loss estimates evolve over months or years. Market participants often reference figures from agencies such as [[Definition:Property Claim Services (PCS) | PCS]] in the United States, [[Definition:PERILS AG | PERILS]] in Europe, or similar bodies in Asia-Pacific markets to provide an objective benchmark.

💡 The strategic value of loss warranties lies in their ability to filter out moderate events and focus reinsurance protection on truly catastrophic scenarios, which in turn lowers the [[Definition:Premium | premium]] for the cedent compared to an equivalent layer without a warranty. For reinsurers and [[Definition:Insurance-linked securities (ILS) | ILS]] fund managers, loss warranties provide an additional lever to shape portfolio exposure and avoid frequency risk. However, they also introduce [[Definition:Basis risk | basis risk]]: a cedent could suffer a significant loss from a localized event that does not meet the industry-wide warranty threshold, leaving the reinsurance unrecoverable. This tension between cost efficiency and coverage certainty makes loss warranty structuring a critical element of reinsurance negotiation. Brokers at firms like [[Definition:Aon | Aon]], [[Definition:Guy Carpenter | Guy Carpenter]], and [[Definition:Gallagher Re | Gallagher Re]] routinely advise clients on the optimal warranty levels that balance premium savings against the risk of unrecovered losses.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Attachment point]]
* [[Definition:Property catastrophe reinsurance]]
* [[Definition:Industry loss warranty (ILW)]]
* [[Definition:Basis risk]]
* [[Definition:Retrocession]]
* [[Definition:Hours clause]]
{{Div col end}}

Definition:Loss warranty - Revision history

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