Will the upper bound of the target federal funds rate be ≥ 4.5% at the end of 2026?

As of September 1, 2026, Polymarket prices “Will the upper bound of the target federal funds rate be ≥ 4.5% at the end of 2026?” at 5% YES with $2.4M traded. No tracked wallet holds a position on this market, so there is no verdict.

Prediction markets put the probability at 8%: Will the upper bound of the target federal funds rate be ≥ 4.5% at the end of 2026. Currently, markets see this as unlikely (8% YES). US Federal Reserve chairman Kevin Warsh arrives for a press conference in Washington, DC, on June 17, 2026.

What’s Happening

The probability that the upper bound of the target federal funds rate will be ≥ 4.5% at the end of 2026 stands at just 8%, reflecting a market consensus that has solidified around a lower-for-longer rate path. This pricing follows the Federal Reserve's June 17, 2026 projections, where nine of 18 officials saw the federal funds rate ending 2026 above its current range of 3.5% to 3.75%, yet Chairman Kevin Warsh notably abstained from providing his own forecast, complicating the hawkish signal. The central bank's dot plot from December 10, 2025 had already indicated a median estimate of 3.4% for the end of 2026, a quarter point below the prevailing range, suggesting that even the most aggressive tightening scenarios remain a tail risk rather than a baseline outcome [CNBC, Jun 17][CNBC, Dec 10].

The market's 92% NO probability is anchored in recent Federal Open Market Committee behavior, including the July 8, 2026 minutes revealing a deep split among policymakers, with scenarios entertained in both directions before a unanimous vote to hold rates in the 3.5%-3.75% band. Warsh characterized the internal debate as a "family fight," underscoring the lack of a clear directional mandate. Historical context matters here: the last time the upper bound of the target federal funds rate was at or above 4.5% was in early 2024, and the subsequent easing cycle brought rates down by 75 basis points within two quarters, making a return to that level by end-2026 a significant reversal that would require a sustained inflation shock or a sharp deterioration in the labor market—neither of which is visible in current GDP tracking, with the Atlanta Fed estimating Q4 2026 growth at 5.4% [CNBC, Jul 08][CNBC, Jan 28].

Looking ahead, the key catalysts for the upper bound of the target federal funds rate reaching ≥ 4.5% at the end of 2026 would be a series of hikes beginning in the second half of the year, a scenario that Forbes projected as unlikely in its November 29, 2025 outlook, which anticipated a decline toward 3% by December 2026. The FOMC has eight scheduled meetings in 2026, and with the current range at 3.5%-3.75%, achieving the 4.5% threshold would require at least three 25-basis-point increases—a pace that contradicts the median dot-plot trajectory and the January 28, 2026 hold decision. The next data points to watch are the July 2026 CPI and nonfarm payrolls reports, which will either validate the market's dovish pricing or force a repricing if inflation prints above the Fed's 2% target for a third consecutive month [Forbes, Nov 29][CNBC, Jan 28].

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