On a Thursday in late September 2026, the dollar climbed to a two-month peak as manufacturing data reminded markets that inflation is not yet a solved problem. Strong purchasing managers' index figures signaled that the real economy continues to run warm, reinforcing expectations that central banks will keep interest rates elevated — or push them higher still. In the language of currency markets, a rising dollar is a vote of confidence not in prosperity, but in the enduring cost of taming it.