ECB announce no change at the October 2026 meeting priced at 98.6% on Polymarket, up 0.5 points, on $287K traded

Polymarket’s contract on whether the ECB will announce no change at its October 2026 meeting was priced at 98.6%, up 0.5 percentage points, with $287K traded, according to PredictionBubbles. The pricing indicates a strong market expectation of a hold, rather than confirmation of the decision.

A heavily favored outcome

PredictionBubbles’ finance board was unchanged on its Oct. 27, 22:12 UTC read. The article’s publication timestamp is Oct 27, 2026 · 6:39 PM ET; the board reading is a snapshot, not a guarantee of the price at publication.

The site defines probability movements as changes over the previous 24 hours. On that basis, the ECB contract’s 0.5-point increase represents a modest strengthening of an already heavily favored outcome. The supplied material does not identify a catalyst for the move.

Volume and refresh timing

According to PredictionBubbles, its finance board tracks 203 open markets, comprising 22 from Kalshi and 181 from Polymarket. It covers macroeconomic contracts including interest-rate decisions, inflation, GDP, recession outcomes, and index and commodity levels.

The board ranks markets by total traded volume, separately from its ranking of absolute probability changes over the last 24 hours. Its most-traded finance contract at the last refresh concerned no change in Fed interest rates after the October 2026 meeting, with $26.2M traded on Polymarket—substantially more than the ECB contract’s $287K.

PredictionBubbles republishes venue data every 15 minutes, while trading on the underlying platforms is continuous. It describes itself as an information service displaying published prices, rather than a venue that accepts wagers, holds funds or offers accounts.

What it means for prediction markets

• The hold is strongly favored, not settled. The 98.6% figure is a market-implied probability, not an announced ECB outcome.
• The move is incremental. A 0.5-percentage-point rise over 24 hours signals limited repricing; the supplied reporting offers no explanation for it.
• Volume and timing provide context. The $287K figure is total traded volume, while the board’s 15-minute refresh cycle means displayed prices can lag trading.
• Cross-venue comparisons require care. PredictionBubbles notes that related contracts can differ in wording and resolution rules.