Skip to content
← All markets
ECB·Thu, Sep 10

ECB Decision · 2026-09-10

The most likely outcome right now is Hike 25bps at $0.96 ask on Kalshi and $0.83 ask on Polymarket — an implied ≈90% chance. Prices as of 07:19 UTC on Jul 24, 2026, delayed about five minutes. Source markets: Kalshi · Polymarket. Resolution follows each venue's own market terms.

Curious how long a gap like this stays open? We measured it.

Decision outcomes

These decision outcomes are mutually exclusive. Cancellation rules can differ, so the contracts are not interchangeable.

KalshiPolymarket
Cut >25bps6¢ gap
KalshiPolymarket
Cut 25bps7¢ gap
KalshiPolymarket
No change78¢ gap
Kalshi97¢Polymarket19¢
Hike 25bps13¢ gap
Kalshi96¢Polymarket83¢
Hike >25bps12¢ gap
Kalshi14¢Polymarket

Polymarket closes Sep 10, 11:59 UTC · Kalshi closes Sep 10, 12:14 UTC

Prices delayed about five minutes. Each venue's best ask per outcome; Kalshi asks are derived from its NO bids (ask = $1 minus the bid). Kalshi volume counts contracts, Polymarket volume is in dollars. Real-time prices and the full depth ladder are available via the WebSocket stream with an API key. How the market matching API works · Real-time WebSocket API docs. Feed reference DINO-XKQZ7-9182.