The federal funds rate upper bound is the highest rate the Federal Reserve allows commercial banks to charge each other for overnight lending. This rate forms the foundation for most consumer and business interest rates across the economy. Currently trading at 3% odds for reaching 4.5% by year-end 2026, the market reflects expectations for relatively stable or declining rates through the year. The Fed's policy trajectory depends on inflation data, employment levels, and economic growth. If inflation remains subdued and the labor market stays soft, the Fed may continue rate cuts from current levels, making a 4.5% upper bound unlikely. Conversely, a resurgence in inflation or stronger economic growth could prompt the Fed to pause or reverse course. The market's current pricing suggests traders expect the federal funds rate to remain below this threshold for the full year. This prediction market allows traders to express conviction on the direction and magnitude of Fed monetary policy decisions throughout 2026.