VenueGap

Kalshi vs Polymarket gap report, 2026-10-11

Matched 445 events (NHL 41, GOP 2028 1, Heisman 1, NBA 33, CS2 29, ETH low 2026 1, Dem 2028 1, Premier League 19, NBA title 1, BTC high 2026 1, ATP 9, France 2027 1, La Liga 18, Fed 3, NFL MVP 1, BTC low 2026 1, MLB 8, WTA 21, CFB 115, Ballon d'Or 1, World Series 1, Israel PM 1, MLS 30, Stanley Cup 1, ETH high 2026 1, UCL 1, WNBA 4, NFL 28, Bundesliga 18, WNBA title 1, NFL futures 1, Ligue 1 12, UCL games 34, LoL 6), $30.0M of 24h volume across both venues. Snapshot 2026-10-11T13:14:16.179Z.

Widest disagreements (upcoming games, two-sided books only)

  1. Indiana (Ohio State vs. Indiana, Sat, Oct 17, 12:00 PM ET): Kalshi $0.39 vs Polymarket $0.37, Kalshi $0.02 higher
  2. Notre Dame (Notre Dame vs. BYU, Sat, Oct 17, 7:30 PM ET): Kalshi $0.80 vs Polymarket $0.78, Kalshi $0.02 higher
  3. Hawks (Thunder vs. Hawks, Mon, Oct 12, 7:00 PM ET): Kalshi $0.60 vs Polymarket $0.62, Polymarket $0.02 higher
  4. Browns (Ravens vs. Browns, Sun, Oct 18, 1:00 PM ET): Kalshi $0.36 vs Polymarket $0.34, Kalshi $0.02 higher
  5. Bengals (Bengals vs. Dolphins, Sun, Oct 11, 1:00 PM ET): Kalshi $0.75 vs Polymarket $0.76, Polymarket $0.01 higher
  6. Texans (Texans vs. Titans, Sun, Oct 11, 1:00 PM ET): Kalshi $0.75 vs Polymarket $0.76, Polymarket $0.01 higher
  7. Chargers (Broncos vs. Chargers, Sun, Oct 11, 4:05 PM ET): Kalshi $0.36 vs Polymarket $0.37, Polymarket $0.01 higher
  8. Los Angeles Dodgers (Los Angeles Dodgers vs. Milwaukee Brewers, Sun, Oct 11, 8:00 PM ET): Kalshi $0.50 vs Polymarket $0.49, Kalshi $0.01 higher
  9. Los Angeles Dodgers (Los Angeles Dodgers vs. Milwaukee Brewers, Mon, Oct 12, 5:00 PM ET): Kalshi $0.53 vs Polymarket $0.52, Kalshi $0.01 higher
  10. Hurricanes (Hurricanes vs. Flyers, Sun, Oct 11, 7:00 PM ET): Kalshi $0.63 vs Polymarket $0.64, Polymarket $0.01 higher

Cross-venue net edges after fees

None at snapshot time. That is normal; edges appear and close within minutes.

Futures, tournaments and nominations

Which venue was closer to the result

On 3838 settled games, the closing price was closer on Kalshi 1272 times (33%) and on Polymarket 1154 times (30%), 1412 ties. Mean Brier: Kalshi 0.1965, Polymarket 0.1964 (lower is better). Mean gap at close 0.9 pp.

Fed meetings

MeetingBucketKalshiPolymarketGap
Fed Decision in December?50+ bps decrease$0.01$0.01$0.00
Fed Decision in December?25 bps decrease$0.02$0.01$0.00
Fed Decision in December?No change$0.26$0.23+$0.03
Fed Decision in December?25 bps increase$0.73$0.75−$0.02
Fed Decision in December?50+ bps increase$0.03$0.03$0.00
Fed Decision in January?50+ bps decrease$0.01$0.01$0.00
Fed Decision in January?25 bps decrease$0.05$0.02+$0.03
Fed Decision in January?No change$0.65$0.66−$0.01
Fed Decision in January?25 bps increase$0.30$0.32−$0.02
Fed Decision in January?50+ bps increase$0.02$0.02$0.00
Fed Decision in October?50+ bps decrease$0.01$0.00$0.00
Fed Decision in October?25 bps decrease$0.01$0.01$0.00
Fed Decision in October?No change$0.85$0.84+$0.01
Fed Decision in October?25 bps increase$0.16$0.16$0.00
Fed Decision in October?50+ bps increase$0.01$0.00$0.00

Method: mid prices, Polymarket from the live order book, Kalshi from its public API. Gap = Kalshi − Polymarket. Not advice. Live screener: https://venuegap.com · Scoreboard: https://venuegap.com/scoreboard · Kalshi vs Polymarket: https://venuegap.com/kalshi-vs-polymarket