Definition:Trigger type
🎯 Trigger type refers to the mechanism within an insurance or reinsurance contract that determines when coverage is activated — that is, what event, circumstance, or condition must occur for a policy to respond to a loss. Selecting the appropriate trigger type is one of the most consequential decisions in policy design, because it defines the boundary between a covered and an uncovered event and directly shapes the claims experience for both insureds and carriers.
🔧 Several distinct trigger types are recognized across the global insurance market, each suited to different lines of business and risk profiles. An occurrence trigger activates coverage when the loss event takes place during the policy period, regardless of when the claim is reported — this is the standard approach for most property and general liability coverages. A claims-made trigger, by contrast, responds only if both the wrongful act and the claim notification fall within the policy period (or applicable extended reporting period), and is the dominant form in professional liability, D&O, and cyber lines. In reinsurance, additional trigger architectures emerge: losses occurring, risks attaching, and claims-made bases each allocate timing differently between the cedent and the reinsurer. Parametric products introduce yet another paradigm, where the trigger is a measurable index — such as wind speed, earthquake magnitude, or rainfall level — rather than an assessment of actual damage, enabling rapid payouts without traditional loss adjustment.
📌 Getting the trigger type right has profound implications for reserving, pricing, and coverage disputes. Occurrence-based triggers, while intuitive, can generate long-tail exposures that surface years or even decades after the policy period ends — as the global insurance industry learned painfully through asbestos, environmental, and abuse-related claims. Claims-made triggers mitigate this tail risk but introduce complexity around retroactive dates, prior acts, and reporting requirements that can confuse policyholders and generate litigation. Regulatory regimes also intersect with trigger design: under IFRS 17, the timing of loss recognition is closely tied to the contractual trigger, influencing how insurers measure their liabilities for incurred claims. For underwriters and brokers alike, a clear understanding of trigger types is indispensable to structuring contracts that allocate risk predictably and withstand scrutiny when large losses arise.
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