Track record
Friday, September 4
43 gaps written down that day, 38 on two-way markets and 5 on soccer, where a draw pays out on neither leg. Every percentage is what the two prices implied after fees at the moment we saw them. Nothing here is recalculated later.
- MLBSt. Louis @ ColoradoKalshi + FanDuel · seen once so far136.0%
- MLBSt. Louis @ ColoradoPolymarket + Kalshi · seen once so far109.1%
- WTAElina Svitolina vs Anna KalinskayaPolymarket + Kalshi · seen once so far33.9%
- EPLBournemouth @ BrentfordKalshi + BetRivers · stood 10 hr · a draw pays out on neither leg32.9%
- EPLCrystal Palace @ Ipswich TownKalshi + FanDuel · stood 9 hr · a draw pays out on neither leg29.3%
- EPLArsenal @ ChelseaBetRivers + Kalshi · stood 10 hr · a draw pays out on neither leg27.6%
- EPLBrentford @ SunderlandKalshi + BetRivers · stood 45 min · a draw pays out on neither leg27.0%
- EPLSunderland @ ArsenalKalshi + BetRivers · stood 10 hr · a draw pays out on neither leg26.4%
- MLBAthletics @ Seattle MarinersPolymarket + DraftKings · stood 5 min19.7%
- MLBSt. Louis @ ColoradoKalshi + BetRivers · seen once so far10.7%
- LoLGIANTX vs Karmine CorpPolymarket + Kalshi · stood 10 hr9.8%
- MLBNew York Y @ San DiegoKalshi + FanDuel · seen once so far7.1%
- MLBNew York Y @ San DiegoPolymarket + Kalshi · seen once so far7.0%
- ATPBen Shelton vs Denis ShapovalovKalshi + FanDuel · stood 12 min6.4%
- ATPBen Shelton vs Denis ShapovalovFanDuel + Kalshi · seen once so far6.3%
- LoLRED Canids vs FURIA EsportsPolymarket + Kalshi · stood 10 hr6.0%
- LoLG2 Esports vs Team VitalityKalshi + Polymarket · stood 7 hr5.8%
- MLBAthletics @ Seattle MarinersPolymarket + FanDuel · stood 18 min5.8%
- WTAElina Svitolina vs Anna KalinskayaFanDuel + Kalshi · stood 11 min5.5%
- MLBNew York Y @ San DiegoPolymarket + BetRivers · stood 4 min5.0%
- ATPBen Shelton vs Denis ShapovalovPolymarket + Kalshi · seen once so far4.8%
- Dota 2PuckChamp vs Pipsqueak+4Polymarket + Kalshi · stood 8 hr4.4%
- MLBNew York Y @ San DiegoBetMGM + Kalshi · seen once so far4.1%
- CS2WRAITH PCIFIC vs Esport Academy CopenhagenPolymarket + Kalshi · stood 4 hr3.6%
- Dota 2Carstensz vs Team NemesisPolymarket + Kalshi · stood 3 hr3.5%
- MLBNew York Y @ San DiegoPolymarket + Kalshi · stood 39 min3.5%
- Dota 2Spirit Academy vs DYNASTYPolymarket + Kalshi · stood 10 hr2.6%
- MLBNew York Y @ San DiegoPolymarket + BetMGM · seen once so far2.5%
- LoLpaiN Gaming vs Vivo Keyd StarsPolymarket + Kalshi · stood 10 hr2.3%
- NCAAFMiddle Tennessee @ MarshallKalshi + DraftKings · stood 6 hr2.1%
- LoLDignitas vs Team LiquidPolymarket + Kalshi · stood 10 hr1.8%
- ValorantA Team vs FunPlus PhoenixPolymarket + Kalshi · stood 5 hr1.8%
- MLBAthletics @ Seattle MarinersPolymarket + BetMGM · seen once so far1.5%
- MLBWashington @ Los Angeles DKalshi + FanDuel · seen once so far0.8%
- NCAAFMercyhurst @ New Mexico St.Kalshi + Polymarket · stood 4 hr0.8%
- WTAElina Svitolina vs Anna KalinskayaPolymarket + FanDuel · seen once so far0.7%
- NCAAFOld Dominion @ Virginia TechDraftKings + FanDuel · stood 10 hr0.6%
- LoLDisguised vs LYONPolymarket + Kalshi · stood 10 hr0.6%
- ATPAlexander Blockx vs Flavio CobolliPolymarket + BetRivers · stood 4 min0.4%
- CS2Peladona vs ImperialPolymarket + Kalshi · stood 9 hr0.2%
- ATPBen Shelton vs Denis ShapovalovPolymarket + DraftKings · seen once so far0.2%
- ValorantT1 vs Global EsportsKalshi + Polymarket · stood 4 hr0.2%
- ATPBen Shelton vs Denis ShapovalovKalshi + BetMGM · stood 16 min0.1%
The full log has every day, and the walkthrough explains the arithmetic.