ILS glossary

What is a Spread?

The coupon margin above the risk-free rate paid to cat bond investors as compensation for bearing catastrophe risk.

Lecture 7Lecture 8

Spread

The coupon margin above the risk-free rate paid to cat bond investors as compensation for bearing catastrophe risk.

How it works in practice

Two cat bonds have the same three-year maturity. Bond A covers Florida hurricane at a spread of 7.5% over SOFR. Bond B covers European windstorm at a spread of 3.25%. The wider spread on Bond A reflects the higher expected loss and greater tail risk of US hurricane compared to European wind. Investors demand more compensation for bearing the riskier peril.

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