Seasonal tightening of catastrophe bond spreads accelerated in the month of July 2026, resulting in the catastrophe bond market yield or coupon available to investors declining to 9.29% by the end of the month, according to the latest data on cat bond yields from Plenum Investments. Catastrophe bond spreads across the market began their usual tightening trend in July 2026, which accelerated towards the end of the month. The hurricane season decline in the cat bond market yield, caused by seasonal spread tightening now appears to have begun in earnest. Which is clear evidence of the effects of the softer reinsurance pricing environment, that has resulted in reducing cat bond spreads at issuance over the last year. Analyse catastrophe bond market yields over time using this chart.