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🚨 '''Mass lapse''' is a scenario in which a disproportionately large number of [[Definition:Policyholder | policyholders]] simultaneously surrender, cancel, or fail to renew their [[Definition:Insurance policy | insurance policies]], creating an acute liquidity and solvency stress event for the affected [[Definition:Insurance carrier | insurer]]. While individual [[Definition:Lapse | policy lapses]] are a normal part of any insurance portfolio's dynamics, a mass lapse represents a tail risk — an extreme clustering of policyholder exits that exceeds actuarial expectations and can force an insurer to liquidate [[Definition:Investment portfolio | assets]] rapidly, crystallize unrealized losses, and face a deteriorating [[Definition:Liability profile | liability profile]] as healthier or lower-risk policyholders exit first.

⚙️ The mechanics of mass lapse risk vary by product type but are most acute in [[Definition:Life insurance | life insurance]] and [[Definition:Annuity | annuity]] portfolios where policies carry significant [[Definition:Cash surrender value | cash surrender values]]. When interest rates rise sharply, policyholders holding older savings-oriented products may find better returns elsewhere and surrender en masse — a dynamic that several U.S. and Japanese life insurers have grappled with during periods of monetary tightening. Conversely, in a [[Definition:Financial crisis | financial crisis]], a loss of confidence in an insurer's stability can trigger a run on policies analogous to a bank run. Regulatory frameworks explicitly address this risk: [[Definition:Solvency II | Solvency II]] requires insurers to model a mass lapse stress — typically a 40 percent instantaneous lapse of the most capital-sensitive policies — when calculating their [[Definition:Solvency capital requirement (SCR) | solvency capital requirement]]. The [[Definition:C-ROSS | C-ROSS]] framework in China and other modern solvency regimes include comparable provisions, reflecting the global recognition that policyholder behavior risk cannot be ignored.

🛡️ Mitigating mass lapse exposure requires a combination of product design, [[Definition:Asset-liability management (ALM) | asset-liability management]], and liquidity planning. [[Definition:Surrender charge | Surrender charges]] and [[Definition:Market value adjustment (MVA) | market value adjustments]] embedded in product terms create economic disincentives for early exit, dampening the lapse impulse. Insurers also maintain liquidity buffers and arrange [[Definition:Credit facility | credit facilities]] to avoid forced asset sales in a stress scenario. From a strategic perspective, diversification across product lines and customer segments reduces the likelihood that any single economic trigger will affect the entire portfolio simultaneously. The mass lapse scenario has received heightened supervisory attention in recent years, particularly after the rapid rate increases of 2022–2023 prompted regulators and [[Definition:Credit rating agency | rating agencies]] to reassess whether insurers had adequately stress-tested their books against the possibility that theoretical models might, for once, become reality.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Lapse]]
* [[Definition:Surrender charge]]
* [[Definition:Policyholder behavior risk]]
* [[Definition:Solvency capital requirement (SCR)]]
* [[Definition:Liquidity risk]]
* [[Definition:Asset-liability management (ALM)]]
{{Div col end}}

Definition:Mass lapse - Revision history

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