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💰 '''Retention amount''' refers to the portion of risk or loss that an [[Definition:Insurance carrier | insurer]] or [[Definition:Cedent | cedent]] keeps on its own books rather than transferring to a [[Definition:Reinsurance | reinsurer]], [[Definition:Retrocessionaire | retrocessionaire]], or other risk-transfer counterparty. In the context of a reinsurance program, the retention amount defines the threshold below which the ceding company bears losses itself; only losses exceeding this amount (in [[Definition:Excess of loss reinsurance | excess of loss]] structures) or the retained percentage (in [[Definition:Quota share reinsurance | quota share]] arrangements) flow through to the reinsurer. The term also appears in policyholder-facing contexts as a [[Definition:Deductible | deductible]] or [[Definition:Self-insured retention (SIR) | self-insured retention]], but in industry usage it most commonly describes the cedent's retained share within a reinsurance program.

⚙️ Setting the retention amount involves a careful balance between the insurer's risk appetite, its [[Definition:Capital | capital]] resources, and the cost of reinsurance protection. A higher retention means the insurer absorbs more losses before reinsurance responds, which reduces [[Definition:Reinsurance premium | reinsurance premiums]] but increases the insurer's exposure to volatility. Conversely, a lower retention transfers more risk to reinsurers at a higher cost. [[Definition:Actuarial analysis | Actuaries]] and [[Definition:Enterprise risk management (ERM) | enterprise risk management]] teams model the retention amount using loss distributions, [[Definition:Catastrophe model | catastrophe models]], and [[Definition:Value at risk (VaR) | value-at-risk]] metrics to determine the level that optimizes the trade-off between retained earnings and solvency protection. Regulatory regimes also influence retention decisions: under [[Definition:Solvency II | Solvency II]], the [[Definition:Solvency capital requirement (SCR) | solvency capital requirement]] directly reflects the retained risk profile, while the [[Definition:National Association of Insurance Commissioners (NAIC) | NAIC]]'s [[Definition:Risk-based capital (RBC) | risk-based capital]] framework in the United States similarly links capital charges to net retained exposures. In markets like Japan and Singapore, local supervisory expectations shape how much risk an insurer is expected to retain before ceding.

💡 The retention amount is one of the most consequential decisions in an insurer's risk management strategy because it directly determines how much of the [[Definition:Underwriting | underwriting]] result — both profits and losses — stays with the company. During soft reinsurance markets, insurers may increase retentions to capture more premium income, while hardening reinsurance conditions often force a reassessment as the cost of buying lower attachment points rises. Catastrophe-exposed insurers, for example, faced significant pressure to raise retention amounts following major loss events when reinsurance capacity tightened and pricing spiked. Beyond financial modeling, retention decisions carry strategic implications: a company that retains too little may be seen by [[Definition:Rating agency | rating agencies]] as overly dependent on reinsurance, while one that retains too much may face credit downgrades if its capital base cannot absorb a severe loss. In [[Definition:Merger and acquisition (M&A) | M&A]] due diligence, the historical retention amounts chosen by an acquisition target reveal a great deal about its risk culture and capital management philosophy.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Reinsurance]]
* [[Definition:Excess of loss reinsurance]]
* [[Definition:Self-insured retention (SIR)]]
* [[Definition:Deductible]]
* [[Definition:Net retained premium]]
* [[Definition:Cession]]
{{Div col end}}

Definition:Retention amount - Revision history

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