How the Iran War Is Fueling Wild Swings in Interest-Rate Bets

The Iran war has clouded the outlook for inflation and economic growth across the globe and, in turn, where interest rates might be heading.

The uncertainty is stirring volatility in interest-rate swap markets, where traders wager on what central banks will do next. Rate bets in the US and Europe have been swinging wildly, changing by the minute as the conflict in the Middle East continues.