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🎯 '''Reinsurance purchasing strategy''' is the structured approach an [[Definition:Insurance carrier | insurance carrier]] takes in designing, negotiating, and placing its [[Definition:Reinsurance | reinsurance]] program to balance [[Definition:Risk transfer | risk transfer]], cost, [[Definition:Capital adequacy | capital efficiency]], and earnings stability. Far from a routine procurement exercise, the reinsurance purchasing strategy reflects an insurer's fundamental risk appetite and directly shapes its [[Definition:Net retention | net retention]], [[Definition:Catastrophe risk | catastrophe exposure]], [[Definition:Solvency | solvency]] position, and ability to grow in competitive markets.

⚙️ Building a strategy begins with a thorough assessment of the insurer's risk profile — typically informed by [[Definition:Catastrophe model | catastrophe models]], [[Definition:Actuarial analysis | actuarial analysis]] of attritional and large loss experience, and enterprise-level [[Definition:Economic capital | economic capital]] modeling. The insurer then decides on the optimal blend of [[Definition:Proportional reinsurance | proportional]] and [[Definition:Excess of loss reinsurance | non-proportional]] protections, setting [[Definition:Retention | retention]] levels, tower structures, and aggregate covers in consultation with [[Definition:Reinsurance broker | reinsurance brokers]] and sometimes directly with key reinsurer partners. Market conditions heavily influence the approach: during a [[Definition:Hard market | hard market]], capacity may be scarce and pricing elevated, pushing cedants to retain more risk or restructure layers, whereas a [[Definition:Soft market | soft market]] may offer opportunities to buy broader protection at favorable terms. Regional regulatory requirements also play a role — for instance, [[Definition:Solvency II | Solvency II]] jurisdictions allow explicit capital credit for qualifying reinsurance, incentivizing sophisticated program design, while markets like China under [[Definition:C-ROSS | C-ROSS]] and the United States under [[Definition:Risk-based capital (RBC) | RBC]] frameworks each impose their own rules on how reinsurance reduces required capital.

📊 The consequences of getting the strategy right — or wrong — are profound. A well-calibrated program lets an insurer underwrite confidently through volatile periods, protect its [[Definition:Surplus | surplus]] from outsized [[Definition:Catastrophe loss | catastrophe losses]], and present a stable earnings profile to [[Definition:Rating agency | rating agencies]] and investors. An under-bought program leaves the insurer dangerously exposed to tail events, while an over-bought program erodes [[Definition:Underwriting profit | underwriting profitability]] through excessive cession costs. Increasingly, insurers supplement traditional reinsurance with [[Definition:Insurance-linked securities (ILS) | ILS]] instruments, [[Definition:Catastrophe bond | catastrophe bonds]], and [[Definition:Sidecar | sidecar]] arrangements, adding layers of complexity to the optimization process. The purchasing strategy is revisited at least annually — often timed to the major renewal seasons in January, April, June, and July — and its design is a collaborative effort among [[Definition:Chief underwriting officer (CUO) | underwriting leadership]], [[Definition:Chief financial officer (CFO) | finance]], [[Definition:Chief risk officer (CRO) | risk management]], and the board.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Reinsurance]]
* [[Definition:Excess of loss reinsurance]]
* [[Definition:Quota share arrangement]]
* [[Definition:Catastrophe bond]]
* [[Definition:Net retention]]
* [[Definition:Reinsurance broker]]
{{Div col end}}

Definition:Reinsurance purchasing strategy - Revision history

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