Polymarket splits almost evenly on a Fed hold in September 2026

The line

Polymarket's contract on whether the Federal Reserve leaves interest rates unchanged after its September 2026 meeting is priced at 48.5% for Yes and 51.5% for No. The market has traded $495,757 in the past 24 hours against $317,559 of liquidity, and resolves on 16 September 2026.

That is as close to an even market as these things get. The two sides sum to exactly 100%, so there is no visible overround to strip out: traders are collectively saying a hold is marginally less likely than some move, and not by much.

Why a near-50/50 is the interesting number

On any single Fed meeting close to the present, hold contracts usually trade at extremes — either the market has convinced itself nothing is happening, or it has priced a cut or hike almost to certainty. A price near 50% a year out is a different animal. It reflects not a confident forecast of action but a wide distribution of possible paths between now and then, where the probability of the Fed sitting still at one particular meeting collapses toward a coin flip.

It also matters that the "No" side is a catch-all. Anything other than an unchanged target range resolves No, which bundles cuts and hikes of any size into a single outcome. A market that pays out on "something moved" will generally look cheaper to buy than one requiring a specific direction, which is part of why the 51.5% side sits where it does.

Volume relative to size

The $495,757 turnover in a day against $317,559 in resting liquidity means the book is churning faster than it is deep — turnover of roughly 1.6 times available liquidity. For a contract that does not settle for nearly a year, that is active trading rather than a parked position, and it suggests the price is being repriced on flow rather than left to sit.

The market runs to 16 September 2026, so there is a long stretch of data between now and resolution for that near-even split to break one way.