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🔒 '''Loss limit''' is a cap placed on the amount of any single [[Definition:Claim | claim]] or [[Definition:Loss event | loss event]] that is included in [[Definition:Actuarial analysis | actuarial calculations]], [[Definition:Experience rating | experience rating]], or [[Definition:Reinsurance | reinsurance]] analysis, effectively truncating large losses at a specified threshold. In insurance pricing and [[Definition:Reserving | reserving]], loss limiting is an essential technique for preventing a handful of extraordinarily large claims from distorting the statistical patterns that underpin [[Definition:Rate making | rate making]] for an entire portfolio. The concept is distinct from — though related to — [[Definition:Policy limit | policy limits]], which cap the insurer's contractual obligation to the policyholder.

⚙️ When [[Definition:Actuary | actuaries]] calculate [[Definition:Loss cost | loss costs]] or evaluate a program's historical performance, they often apply a per-claim loss limit to the underlying data before computing [[Definition:Loss ratio | loss ratios]] or [[Definition:Loss development | development patterns]]. For example, a [[Definition:Workers' compensation insurance | workers' compensation]] actuarial analysis might limit individual claims at $250,000 or $500,000. Losses below the limit are analyzed in the aggregate using standard statistical methods, while the excess portions above the limit are treated separately — often loaded back in as an [[Definition:Excess loss factor | excess loss factor]] or priced through a different mechanism such as [[Definition:Excess-of-loss reinsurance | excess-of-loss reinsurance]]. This bifurcation allows the actuary to develop more stable and credible estimates for the working layer of losses, where frequency-based analysis is most reliable, without ignoring the financial impact of severe claims.

📊 The choice of where to set the loss limit is itself a significant actuarial and business decision. A lower limit produces more stable results but pushes a larger share of expected losses into the separately loaded excess layer, while a higher limit captures more of the portfolio's actual experience but introduces greater volatility. [[Definition:Insurance regulation | Regulators]] and advisory organizations such as [[Definition:National Council on Compensation Insurance (NCCI) | NCCI]] publish standard loss limitations for use in experience rating plans, ensuring consistency across the market. For [[Definition:Managing general agent (MGA) | MGAs]] and [[Definition:Program administrator | program administrators]] negotiating [[Definition:Reinsurance | reinsurance]] structures, the interplay between the loss limit used in pricing and the [[Definition:Retention | retention]] in their reinsurance treaty must be carefully aligned to avoid gaps or redundancies in the overall risk financing approach.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Loss cost]]
* [[Definition:Excess loss factor]]
* [[Definition:Experience rating]]
* [[Definition:Policy limit]]
* [[Definition:Excess-of-loss reinsurance]]
* [[Definition:Basic limit loss cost]]
{{Div col end}}

Definition:Loss limit - Revision history

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