US dollar reaches 18-month high as euro weakens

euro: The euro is the common currency of the euro area and is influenced by European growth, inflation, energy costs, and European Central Bank policy expectations. It weakened against the dollar amid concerns about Europe’s energy and debt outlook, accelerating inflation, and expectations that the ECB would respond more cautiously than the Federal Reserve. U.S. dollar: The U.S. dollar is the primary global reserve currency and is supported by U.S. economic conditions, Treasury yields, and expectations for Federal Reserve policy. In the reported market move, it strengthened as elevated U.S. bond yields and concerns about persistent inflation increased demand for dollar-denominated assets. Bond yields: Rising longer-term U.S. Treasury yields have reinforced demand for the dollar, even as softer U.S. inflation reduced expectations for an immediate Federal Reserve rate increase. European risks: Higher energy costs, inflation pressure, weak growth expectations, and debt concerns have weighed on the euro. Monetary policy: The perceived policy gap between the Federal Reserve and the European Central Bank has supported the dollar relative to the euro, with markets expecting comparatively firmer U.S. interest-rate policy.