Prediction Markets Give the Fed 74% Odds of Standing Pat in September
Polymarket, Kalshi, and Myriad all price roughly 73–75% odds that the Federal Reserve will leave interest rates unchanged at its September 15–16 FOMC meeting.
Intelligence analysis by Llama
Three major prediction markets are converging on the same forecast for the Fed's September meeting: rates are very likely to stay where they are. Polymarket shows 74% odds of no change, Kalshi lands at 73.5%, and Myriad sits near 75%.
People are betting pretend money on websites about what the Federal Reserve will do with interest rates next month. Three different sites all say there's about a 74% chance the Fed keeps rates exactly the same, kind of like when most of your friends guess the same answer on a quiz.
Analysis
The $33.9 Million Wager on Polymarket
Polymarket's "Fed Decision in September?" market has accumulated roughly $33.9 million in volume, making it one of the more heavily-traded Fed contracts on any retail-facing platform. Traders there have pushed the no-change probability to 74%, with a quarter-point hike at 25% and a cut sitting near 1%. The lopsided distribution suggests bettors see the next move as more likely up than down, but overwhelmingly later rather than sooner. That conviction has hardened over recent sessions as economic data has not given the Federal Open Market Committee a clear green light to ease.
Kalshi's $10 Million Confirms the Signal
Kalshi, the CFTC-regulated exchange, lands almost identically at 73.5% odds of a hold, backed by close to $10 million wagered. The convergence between an offshore crypto-native venue like Polymarket and a US-regulated traditional exchange is itself the story. When a regulated US platform and a crypto platform show nearly identical probabilities, it implies a broad consensus rather than a niche positioning. Kalshi's regulated status means the contract is accessible to US traders without the geo-restriction friction of Polymarket, broadening the participant base behind that 73.5% figure.
What the September 15–16 FOMC Meeting Resolves
Myriad's "Fed Decision in September?" market will resolve after the September 15–16 FOMC meeting, the same event Polymarket and Kalshi contracts settle against. With "No Change" priced at about 75% on Myriad, all three platforms essentially agree on the base case. The implication for crypto is asymmetric: a hold that matches the consensus is largely priced in and unlikely to move the needle, but a quarter-point cut would be a dovish surprise that could lift Bitcoin and risk assets, while a hike would represent a hawkish shock the market clearly is not positioned for.
Key points
- Polymarket prices a 74% chance the Fed leaves rates unchanged in September, with 25% odds of a quarter-point hike and roughly 1% on a cut.
- Kalshi's CFTC-regulated September Fed contract lands at 73.5% odds of a hold, backed by approximately $10 million in wagers.
- Myriad's "Fed Decision in September?" market lists "No Change" at about 75% and resolves after the September 15–16 FOMC meeting.
- Polymarket's market has accumulated roughly $33.9 million in trading volume, making it one of the larger Fed contracts on a retail platform.
- Convergence between a crypto-native venue and a US-regulated exchange signals broad consensus rather than niche positioning on the rate path.
If the Fed does cut in September despite prediction markets pricing a hold at just 1%, it would be a dovish surprise that lifts risk assets including Bitcoin and Ethereum. A confirmed hold that matches consensus could also reinforce stability, letting crypto markets digest macro policy without fresh volatility.
Prediction markets give roughly a 25% chance of a quarter-point hike, which would be a hawkish shock the market is clearly not positioned for and could pressure crypto and other risk assets. Even an on-consensus hold carries the risk that traders interpret accompanying Fed language as more hawkish than expected, weighing on liquidity-sensitive assets.
