Fed increase interest rates by 50+ bps after the October 2026 meeting priced at 0.4% on Polymarket, on $6.2M traded

Polymarket priced a Federal Reserve interest-rate increase of 50+ basis points after the October 2026 meeting at 0.4%, with $6.2M traded, in the supplied snapshot published Oct 17, 2026, at 1:39 PM ET. That price assigns a very low probability to the specified increase; it does not establish which alternative outcome traders favor.

October Fed contracts draw trading volume

According to predictionbubbles.net, the most-traded finance contract in its latest refresh concerned whether Fed interest rates would remain unchanged after the October 2026 meeting. That Polymarket contract had $13.4M traded. The supplied material does not include its probability, preventing a direct price comparison with the 50+ basis-point increase contract.

The accompanying news summary reported no significant new platform headline during the preceding 15 minutes, with the search returning recirculated items. It offers no fresh catalyst for the quoted Fed-market price and supplies no previous price from which to measure a change.

Reading the market snapshot

According to predictionbubbles.net, its finance board covered 189 markets: 20 from Kalshi and 169 from Polymarket. The aggregator refreshes its data every 15 minutes, while trading on the underlying venues continues between updates.

The site distinguishes rankings based on traded volume from those based on absolute probability changes over the preceding 24 hours. The $6.2M figure therefore describes accumulated trading activity, not the size or direction of a recent shift in expectations.

Predictionbubbles.net also cautions that related contracts on different venues may have different wording, settlement rules and deadlines. Its supplied finance-page text does not include the detailed resolution terms for the 50+ basis-point increase contract.

What it means for prediction markets

• Low probability, narrowly defined: The 0.4% price applies to a 50+ basis-point increase after the October 2026 meeting—not to every possible rate increase.
• Volume is not a directional signal: Neither $6.2M traded in the increase contract nor $13.4M in the unchanged-rate contract establishes how expectations have moved.
• Timing and terms matter: The aggregator’s 15-minute refresh cycle can lag trading, and cross-venue comparisons require checking contract wording and resolution rules.