Kalshi vs Polymarket on Ligue 1 games: where the prices disagree today
14 Ligue 1 games priced on both Kalshi and Polymarket right now, $16k traded in 24 hours. The widest disagreement is Olympique de Marseille at +$0.01. Updated every 45 seconds.
| Event | Outcome | Kalshi | Polymarket | Gap, + = Kalshi higher | Edge after fees | |
|---|---|---|---|---|---|---|
| Olympique de Marseille vs. Le Havre AC Oct 25, 12:15 PM ET | Olympique de Marseille | $0.63 | $0.62 | +$0.01 | -5.95% | Kalshi · Polymarket |
| Stade Rennais FC 1901 vs. RC Strasbourg Alsace Oct 25, 12:15 PM ET | Stade Rennais FC 1901 | $0.56 | $0.55 | +$0.01 | -5.15% | Kalshi · Polymarket |
| ES Troyes AC vs. Le Mans FC Oct 31, 3:45 PM ET | ES Troyes AC | $0.44 | $0.45 | −$0.01 | -9.05% | Kalshi · Polymarket |
| Olympique de Marseille vs. Toulouse FC Nov 1, 2:45 PM ET | Olympique de Marseille | $0.52 | $0.52 | $0.00 | -8.20% | Kalshi · Polymarket |
| AS Monaco FC vs. Lille OSC Oct 25, 10:00 AM ET | AS Monaco FC | $0.46 | $0.46 | $0.00 | -5.27% | Kalshi · Polymarket |
| Angers SCO vs. FC Lorient Oct 25, 12:15 PM ET | FC Lorient | $0.40 | $0.40 | +$0.01 | -6.25% | Kalshi · Polymarket |
| AJ Auxerre vs. Le Mans FC Oct 25, 12:15 PM ET | AJ Auxerre | $0.45 | $0.45 | $0.00 | -7.04% | Kalshi · Polymarket |
| Le Havre AC vs. Paris Saint-Germain FC Oct 30, 2:00 PM ET | Paris Saint-Germain FC | $0.79 | $0.80 | −$0.01 | -4.21% | Kalshi · Polymarket |
| Lille OSC vs. Racing Club de Lens Oct 30, 4:05 PM ET | Lille OSC | $0.42 | $0.41 | +$0.01 | -7.23% | Kalshi · Polymarket |
| FC Lorient vs. Stade Brestois 29 Oct 31, 3:45 PM ET | FC Lorient | $0.37 | $0.37 | −$0.01 | -7.17% | Kalshi · Polymarket |
| RC Strasbourg Alsace vs. AJ Auxerre Nov 1, 9:00 AM ET | RC Strasbourg Alsace | $0.53 | $0.53 | $0.00 | -7.18% | Kalshi · Polymarket |
| Paris FC vs. AS Monaco FC Nov 1, 11:15 AM ET | Paris FC | $0.41 | $0.41 | $0.00 | -7.11% | Kalshi · Polymarket |
| Toulouse FC vs. ES Troyes AC Oct 24, 11:15 AM ET | Toulouse FC | $0.60 | $0.60 | $0.00 | -5.66% | Kalshi · Polymarket |
| Racing Club de Lens vs. Paris FC Oct 24, 2:45 PM ET | Racing Club de Lens | $0.41 | $0.41 | $0.00 | -6.11% | 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, in dollars on a contract that pays $1 if the outcome happens: Polymarket from its live order book, Kalshi from its public API. Gap is Kalshi minus Polymarket. Thin books (spread over $0.10) and near-certain favorites are excluded from this table.
Edge after fees
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, as a percent of the $1 payout. Not advice; nothing here places orders.
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