‘We were wrong.’ Why Morgan Stanley changed its tune on the U.S. dollar — and what it expects now.

Morgan Stanley has acknowledged that its earlier forecast for the U.S. dollar was off the mark. The bank had expected the currency to weaken, but rising bond yields and expectations of Federal Reserve rate hikes instead supported the dollar — a combination that undercut its original thesis. The admission is a reminder that currency forecasts rest on assumptions about interest rates and growth that can shift quickly.

The dollar's direction matters well beyond foreign-exchange desks. A stronger greenback can weigh on U.S. exporters by making their goods pricier abroad, and it can pressure emerging-market borrowers who owe debt in dollars. Multinational companies' overseas earnings also translate into fewer dollars when the currency is firm.

What to watch now is whether the drivers Morgan Stanley cited — Treasury yields and Fed policy expectations — continue to point the same way. If rate expectations cool or yields retreat, the dollar's support could fade; if they persist, the bank's revised view may hold. Either way, the episode illustrates how sensitive currency outlooks are to shifting rate assumptions.