The US Dollar Index (DXY) has climbed to the 102.30-102.60 range in mid-October 2026, its highest levels since April 2025, driven primarily by expectations for additional Federal Reserve tightening amid persistent inflation. Recent September FOMC minutes and hawkish comments from officials such as Cleveland Fed President Hammack reinforced views that inflation risks remain dominant, with the federal funds rate at 3.75%-4.00% and markets pricing roughly 70% odds of a December hike. Elevated Treasury yields, including the 10-year near multi-year highs above 5.2%, have widened interest-rate differentials versus peers in Europe and Japan, supporting the greenback. Key near-term catalysts include the October 14 CPI release, PPI and retail sales data, and the October 28 FOMC meeting, where incoming inflation prints could shift rate-path expectations and DXY momentum.