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Insurance interview card of the day

9 November 2026 · Reinsurance and Risk Transfer

The interviewer asks

What is the difference between a quota share and a surplus treaty, and which suits a book with a few very large risks?

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In a quota share the reinsurer takes the same share, say 30%, of every policy. In a surplus treaty the cedant keeps a line on each risk and cedes the rest in proportion to the sum insured, so big risks are ceded more heavily than small ones. Surplus suits a book with a few very large risks.

What the interviewer listens for

  • Quota share is a fixed share
  • Surplus cedes proportion by size
  • Surplus for large risks

Reinsurance and Risk Transfer · INT.NR.1.a: Explain why an insurer buys reinsurance, and work out how a quota share or surplus treaty shares premium, claims and ceding commission.

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