Kalshi vs Polymarket on Champions League games: where the prices disagree today
17 Champions League games priced on both Kalshi and Polymarket right now, $78k traded in 24 hours. The widest disagreement is Como 1907 at 0.0 pp. Updated every 45 seconds.
| Event | Outcome | Kalshi | Polymarket | Gap (K − P) | Net edge | |
|---|---|---|---|---|---|---|
| Como 1907 vs. RB Leipzig Sep 10, 3:00 PM ET | Como 1907 | 51¢ | 51¢ | 0.0 pp | -5.19¢ | Kalshi · Polymarket |
| Real Madrid CF vs. FC Internazionale Milano Sep 8, 3:00 PM ET | Real Madrid CF | 61¢ | 61¢ | 0.0 pp | -4.96¢ | Kalshi · Polymarket |
| SSC Napoli vs. Arsenal FC Sep 9, 3:00 PM ET | Arsenal FC | 53¢ | 54¢ | -1.0 pp | -5.84¢ | Kalshi · Polymarket |
| FC Bayern München vs. FK Bodø/Glimt Sep 10, 3:00 PM ET | FC Bayern München | 86¢ | 87¢ | -1.0 pp | -3.28¢ | Kalshi · Polymarket |
| FC Porto vs. Manchester City FC Sep 8, 3:00 PM ET | Manchester City FC | 56¢ | 56¢ | 0.0 pp | -5.06¢ | Kalshi · Polymarket |
How this is built
Every event listed on both exchanges is matched outcome by outcome: games by team codes and date, multi-outcome markets by name. Prices are mid-market: Polymarket from its live order book, Kalshi from its public API. Gap is Kalshi minus Polymarket in percentage points. Thin books (spread over 10¢) and near-certain favorites are excluded from this table.
Net edge
Buy one side on one venue and the other side on the other, both at the ask. Edge is $1 minus total cost minus taker fees, Kalshi ⌈0.07·P·(1−P)⌉ per contract and Polymarket 0.05·P·(1−P) on sports. Not advice; nothing here places orders.
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