The primary driver of trader sentiment for the October 27-28 FOMC meeting is the Federal Reserve’s September 16 decision to hike the federal funds target range 25 basis points to 3.75-4.00 percent—its first increase since 2023—coupled with updated projections showing a 4.1 percent median end-2026 rate path that implies one additional tightening this year. Elevated inflation remains the key concern, with headline PCE near 3.7 percent and core measures around 3.3-3.4 percent, supported by energy prices, prior tariff effects, and AI-related demand pressures, while the unemployment rate holds steady at 4.1 percent and labor demand stays balanced. Markets currently price a roughly 55-67 percent implied probability of a further 25 basis point hike in October versus a hold, reflecting the committee’s emphasis on inflation risks over employment concerns. Key upcoming catalysts include the next CPI and employment reports plus any interim Fed speeches before the statement-only October meeting.