Finite Reinsurance and Alternative Risk Transfer

Finite Reinsurance Structures

Finite reinsurance (also called financial reinsurance) structures blend elements of risk transfer and risk financing. The defining characteristic is a limited (finite) amount of risk transfer, with the economics heavily influenced by the time value of money and the experience account mechanism. In a finite quota share, the cedant shares premiums and losses with the reinsurer, but an experience account tracks cumulative results, and the commission or profit share adjusts based on the account balance. Spread loss treaties allow the cedant to smooth losses over multiple years, effectively borrowing from the reinsurer in high-loss years and repaying in low-loss years.

Actuarial and Accounting Considerations

The key actuarial question for finite reinsurance is whether sufficient risk transfer exists to justify reinsurance accounting treatment rather than deposit accounting. SSAP 62R and FASB ASC 944 require that reinsurance contracts transfer significant insurance risk. The "10/10 rule" (a reasonable possibility of at least a 10% loss to the reinsurer on a present value basis) is a common benchmark, though not a bright-line standard. Actuaries assess risk transfer by modeling the distribution of possible outcomes for the reinsurer and calculating the probability and magnitude of potential losses. Contracts lacking sufficient risk transfer must be accounted for as deposits, which significantly affects the cedant's financial statements.