Track record
Wednesday, September 30
76 gaps written down that day, 31 on two-way markets and 45 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.
- La LigaLevante @ SevillaPolymarket + Kalshi · stood 12 days · a draw pays out on neither leg33.8%
- La LigaVallecano @ BilbaoKalshi + Polymarket · stood 10 days · a draw pays out on neither leg31.8%
- WTAElsa Jacquemot vs Magdalena FrechPolymarket + BetRivers · seen once so far31.5%
- La LigaAlaves @ AtleticoKalshi + BetRivers · stood 2 days · a draw pays out on neither leg31.3%
- UCLSabah Masazir @ Slavia PraguePolymarket + BetMGM · stood 8 days · a draw pays out on neither leg31.1%
- La LigaSantander @ ValenciaKalshi + BetRivers · stood 5 days · a draw pays out on neither leg30.6%
- Ligue 1Stade Brest 29 @ AngersPolymarket + BetMGM · stood 14 hr · a draw pays out on neither leg30.5%
- EPLIpswich Town @ FulhamKalshi + Polymarket · stood 10 days · a draw pays out on neither leg30.4%
- UCLShakhtar @ AEK AthensKalshi + BetMGM · stood 6 days · a draw pays out on neither leg30.3%
- Ligue 1Nice @ Strasbourg AlsacePolymarket + BetMGM · seen once so far · a draw pays out on neither leg30.2%
- EPLCoventry @ NewcastleKalshi + Polymarket · stood 12 days · a draw pays out on neither leg30.2%
- UCLAston Villa @ FenerbahceFanDuel + BetRivers · stood 23 hr · a draw pays out on neither leg29.4%
- UCLVillarreal @ NapoliKalshi + BetMGM · stood 5 days · a draw pays out on neither leg29.2%
- UCLReal Betis @ PortoKalshi + FanDuel · stood 30 hr · a draw pays out on neither leg28.8%
- UCLSabah Masazir @ Slavia PragueKalshi + BetMGM · stood 9 days · a draw pays out on neither leg28.6%
- EPLCoventry @ NewcastlePolymarket + Kalshi · stood 12 days · a draw pays out on neither leg28.6%
- LoLSU Esports vs The Secret Club EsportPolymarket + Kalshi · stood 2 hr28.6%
- Ligue 1Stade Brest 29 @ AngersKalshi + Polymarket · stood 11 days · a draw pays out on neither leg28.5%
- EPLLiverpool @ Manchester CityKalshi + BetRivers · stood 8 days · a draw pays out on neither leg28.1%
- Serie ASassuolo @ MilanKalshi + BetMGM · stood 11 days · a draw pays out on neither leg28.0%
- WTADaria Snigur vs Katarzyna KawaPolymarket + DraftKings · seen once so far27.5%
- Serie ALazio @ MonzaKalshi + BetMGM · stood 28 hr · a draw pays out on neither leg27.3%
- UCLReal Betis @ PortoKalshi + BetMGM · stood 5 days · a draw pays out on neither leg26.9%
- UCLAtletico @ Manchester UnitedKalshi + Polymarket · stood 13 days · a draw pays out on neither leg26.7%
- MLSAustin @ NashvilleBetMGM + FanDuel · stood 22 hr · a draw pays out on neither leg26.6%
- UCLFeyenoord @ ComoPolymarket + BetMGM · stood 3 days · a draw pays out on neither leg26.0%
- UCLFeyenoord @ ComoBetMGM + FanDuel · stood 8 days · a draw pays out on neither leg25.5%
- EPLChelsea @ BournemouthKalshi + Polymarket · stood 10 days · a draw pays out on neither leg25.3%
- MLSNew York RB @ Saint LouisBetMGM + Kalshi · seen once so far · a draw pays out on neither leg25.1%
- MLSOrlando @ ColumbusFanDuel + BetMGM · stood 26 hr · a draw pays out on neither leg25.0%
- UCLBodoe/Glimt @ DortmundKalshi + FanDuel · stood 60 min · a draw pays out on neither leg24.0%
- MLSToronto @ MontrealKalshi + Caesars · stood 32 hr · a draw pays out on neither leg23.7%
- MLSToronto @ MontrealCaesars + BetMGM · stood 37 hr · a draw pays out on neither leg23.7%
- MLSColorado @ San JoseFanDuel + BetMGM · stood 29 hr · a draw pays out on neither leg23.6%
- MLSNew York RB @ San Diego FCCaesars + BetMGM · stood 27 hr · a draw pays out on neither leg23.5%
- MLSCharlotte @ DallasKalshi + Caesars · stood 60 min · a draw pays out on neither leg23.5%
- MLSAtlanta @ CincinnatiCaesars + FanDuel · stood 30 hr · a draw pays out on neither leg23.3%
- Serie AAtalanta @ VeneziaPolymarket + Kalshi · stood 7 days · a draw pays out on neither leg22.9%
- UCLLeipzig @ EindhovenPolymarket + Kalshi · stood 10 days · a draw pays out on neither leg22.8%
- MLSChicago Fire @ New York CityCaesars + BetMGM · stood 38 hr · a draw pays out on neither leg22.7%
- MLSSeattle @ Kansas CityPolymarket + FanDuel · stood 4 hr · a draw pays out on neither leg21.1%
- MLSSeattle @ Kansas CityKalshi + Polymarket · stood 16 hr · a draw pays out on neither leg21.0%
- Serie ANapoli @ FrosinonePolymarket + Kalshi · stood 6 days · a draw pays out on neither leg19.6%
- UCLSlovan Bratislava @ StuttgartKalshi + BetRivers · stood 6 days · a draw pays out on neither leg17.8%
- MLSSaint Louis @ Los Angeles GKalshi + Polymarket · stood 12 days · a draw pays out on neither leg16.6%
- UCLInter @ Club BruggePolymarket + Kalshi · stood 12 days · a draw pays out on neither leg14.6%
- MLSMiami @ DC UnitedFanDuel + BetMGM · stood 13 hr · a draw pays out on neither leg14.1%
- MLSSaint Louis @ Los Angeles GPolymarket + Kalshi · stood 11 days · a draw pays out on neither leg14.0%
- LoLSU Esports vs The Secret Club EsportKalshi + Polymarket · stood 60 min3.3%
- CS2RoundsGG vs Phantom AcademyPolymarket + Kalshi · stood 60 min2.9%
- CS2QUINTESSENCIA vs Gremio EsportsKalshi + Polymarket · stood 4 hr2.2%
- CS2Esport BERG vs ex-RUSTECPolymarket + Kalshi · stood 10 hr1.9%
- CS2KUUSAMO.gg vs SangalPolymarket + Kalshi · stood 3 hr1.4%
- CS2Nexus vs WRAITH PCIFICKalshi + Polymarket · stood 10 hr1.3%
- LoLUCAM Esports Club vs eSubaKalshi + Polymarket · stood 5 hr1.3%
- CS2Lavked vs MASONICKalshi + Polymarket · stood 7 hr1.2%
- CS2HyperSpirit vs INFURITY GamingKalshi + Polymarket · stood 2 hr1.0%
- CS2ex-Zero Tenacity vs Esport Academy CopenhagenKalshi + Polymarket · stood 60 min1.0%
- CS2Astralis vs AllianceKalshi + Polymarket · stood 11 hr1.0%
- WTASara Bejlek vs Maddison InglisBetRivers + BetMGM · seen once so far1.0%
- WTARenata Zarazua vs Aryna SabalenkaKalshi + BetRivers · seen once so far1.0%
- WTADayana Yastremska vs Maja ChwalinskaPolymarket + FanDuel · seen once so far0.9%
- LoLCloud9 vs LYONPolymarket + Kalshi · stood 3 days0.9%
- LoLBOMBA Team vs G2 NORDPolymarket + Kalshi · stood 3 hr0.8%
- CS2MEIA NOITE vs METANOIA WOLVESKalshi + Polymarket · seen once so far0.8%
- CS2maybe vs BIG AcademyPolymarket + Kalshi · stood 60 min0.7%
- LoLT1 Academy vs SolaryKalshi + Polymarket · stood 28 hr0.7%
- LoLValerion vs TLN PiratesPolymarket + Kalshi · stood 5 hr0.7%
- WTAAnastasia Potapova vs Sinja KrausPolymarket + FanDuel · seen once so far0.6%
- ATPKei Nishikori vs Frances TiafoePolymarket + BetRivers · stood 60 min0.3%
- Dota 2BetBoom Team vs Team YandexPolymarket + Kalshi · stood 19 hr0.3%
- WTAYue Yuan vs Mirra AndreevaKalshi + FanDuel · seen once so far0.2%
- Dota 2Team Liquid vs AuroraPolymarket + Kalshi · stood 22 hr0.2%
- ATPZhizhen Zhang vs Arthur GeaPolymarket + BetRivers · stood 60 min0.2%
- Dota 2OG vs MOUZKalshi + Polymarket · stood 15 hr0.2%
- Dota 2Yakult's Brothers vs GamerLegionPolymarket + Kalshi · stood 8 hr0.2%
The full log has every day, and the walkthrough explains the arithmetic.