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📉 '''Reinsurance rate''' is the price charged by a [[Definition:Reinsurer | reinsurer]] for assuming a defined portion of [[Definition:Risk | risk]] from a [[Definition:Ceding company | ceding company]], typically expressed as a percentage of the underlying [[Definition:Premium | premium]] (known as the rate on line for [[Definition:Excess of loss reinsurance | excess of loss]] covers) or as a direct premium charge for [[Definition:Proportional reinsurance | proportional]] structures. It is the single most closely watched variable in [[Definition:Reinsurance placement | reinsurance negotiations]] and the primary mechanism through which the [[Definition:Reinsurance market | reinsurance market]] signals its assessment of risk adequacy.

⚙️ Rate setting involves both quantitative analysis and market dynamics. Reinsurers build technical pricing from the ground up using [[Definition:Actuarial analysis | actuarial models]], [[Definition:Catastrophe model | catastrophe models]], and the cedent's historical [[Definition:Loss experience | loss experience]] to estimate expected losses within a given [[Definition:Layer | layer]]. They then load for [[Definition:Expense ratio | expenses]], [[Definition:Cost of capital | cost of capital]], and a target [[Definition:Profit margin | profit margin]]. However, the final rate a cedent pays is also heavily influenced by competitive conditions: when [[Definition:Reinsurance capacity | capacity]] is plentiful and many reinsurers are chasing the same business, market rates can fall below technically indicated levels. Conversely, after major [[Definition:Catastrophe loss | loss events]] or during a [[Definition:Reinsurance cycle | hard market]] turn, rates can spike well above technical indications as reinsurers reprice for uncertainty and rebuild [[Definition:Surplus | surplus]]. [[Definition:Rate on line (ROL) | Rate on line]] is the standard metric for non-proportional business, calculated by dividing the [[Definition:Reinsurance premium | reinsurance premium]] by the [[Definition:Policy limit | limit]] of the layer.

💡 Movements in reinsurance rates cascade through the insurance ecosystem. When rates rise, [[Definition:Primary insurer | primary insurers]] face higher [[Definition:Reinsurance cost | reinsurance costs]] that they may pass along to policyholders through increased [[Definition:Premium | premiums]], or absorb by raising [[Definition:Retention | retentions]] and accepting more [[Definition:Net retention | net risk]]. Sustained rate increases can make certain [[Definition:Line of business | lines of business]] uneconomic for smaller carriers or [[Definition:Managing general agent (MGA) | MGAs]] whose programs depend on reinsurance economics to remain viable. On the other hand, rising rates attract new [[Definition:Capital | capital]] into the market — through traditional reinsurer start-ups, [[Definition:Insurance-linked securities (ILS) | ILS]], or [[Definition:Sidecar | sidecars]] — which eventually brings rates back toward equilibrium. Monitoring rate trends is therefore essential not only for procurement teams negotiating renewals but also for executives making broader decisions about growth, product strategy, and [[Definition:Capital allocation | capital allocation]].

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Rate on line (ROL)]]
* [[Definition:Reinsurance cost]]
* [[Definition:Reinsurance cycle]]
* [[Definition:Catastrophe model]]
* [[Definition:Excess of loss reinsurance]]
* [[Definition:Reinsurance capacity]]
{{Div col end}}

Definition:Reinsurance rate - Revision history

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