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Suns vs. Thunder

Polymarket vs Kalshi vs Betfair vs Smarkets for "Suns vs. Thunder" — live odds, fees and KYC side-by-side.

O/U 190.5 97% O/U 192.5 95% 1Q O/U 44.5 95% O/U 194.5 94% Volume: $1.5M Liquidity: $6.6M Closes: 27 Oct 2026
Open live market →
Suns vs. Thunder

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi Alternative UK) Pick
polygram.ink (preferred broker)
97% 3% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
97% 3% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
— — Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
— — 2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
— — Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
O/U 190.597%
O/U 192.595%
1Q O/U 44.595%
O/U 194.594%
1H O/U 96.594%
O/U 196.593%
1H O/U 98.591%
1Q O/U 46.591%
O/U 198.590%
O/U 200.589%
1H O/U 100.588%
1Q O/U 48.587%
O/U 202.586%
O/U 204.584%
Ajay Mitchell: Points O/U 9.583%
1H O/U 102.583%
Jalen Green: Rebounds O/U 1.581%
O/U 206.580%
1Q O/U 50.580%
1H O/U 104.579%
Shai Gilgeous-Alexander: Assists O/U 3.578%
O/U 208.577%
Dillon Brooks: Rebounds O/U 1.577%
Isaiah Hartenstein: Assists O/U 1.577%
Khaman Maluach: Points O/U 4.575%
Collin Gillespie: Assists O/U 1.575%
O/U 210.573%
1H O/U 106.573%
Miles Bridges: Points O/U 9.572%
2Q O/U 51.572%
Suns 1H O/U 49.572%
Isaiah Hartenstein: Rebounds O/U 3.571%
Thunder 1H O/U 54.571%
O/U 212.570%
Shai Gilgeous-Alexander: Points O/U 19.570%
Jalen Green: Assists O/U 1.570%
Thunder O/U 104.570%
Spread -2.569%
1Q O/U 52.568%
Jalen Green: Points O/U 9.567%
Shai Gilgeous-Alexander: Rebounds O/U 1.567%
Miles Bridges: Assists O/U 1.567%
1H O/U 108.567%
Suns O/U 94.567%
Spread -3.566%
O/U 214.566%
Thunder O/U 106.565%
Spread -4.564%
Isaiah Hartenstein: Rebounds O/U 7.564%
Suns O/U 96.564%
2Q O/U 53.563%
Thunder 1H O/U 56.563%
Ajay Mitchell: Points O/U 14.562%
Dillon Brooks: 3-Pointers Made O/U 2.562%
1H Spread -1.562%
4Q O/U 50.562%
Thunder O/U 108.562%
Suns 1H O/U 51.562%
O/U 216.561%
Suns O/U 98.561%
Spread -5.560%
Collin Gillespie: Rebounds O/U 2.560%
1H O/U 110.560%
Shai Gilgeous-Alexander: Points O/U 29.559%
Ajay Mitchell: Assists O/U 1.559%
Thunder O/U 110.559%
Isaiah Hartenstein: Rebounds O/U 1.558%
Suns O/U 100.558%
O/U 218.557%
Spread -6.556%
Collin Gillespie: Rebounds O/U 1.556%
Ajay Mitchell: Assists O/U 3.556%
1H O/U 112.556%
Shai Gilgeous-Alexander: Blocks O/U 0.556%
Khaman Maluach: Rebounds O/U 7.555%
Shai Gilgeous-Alexander: Points O/U 24.555%
Ajay Mitchell: Rebounds O/U 1.555%
Devin Booker: Assists O/U 3.555%
1H Spread -3.555%
Thunder O/U 112.555%
Suns O/U 102.555%
O/U 220.554%
Ajay Mitchell: Rebounds O/U 3.554%
Thunder 1H O/U 58.554%
Spread -7.553%
Miles Bridges: Rebounds O/U 1.553%
1Q O/U 56.553%
Suns 1H O/U 53.553%
Jordan Goodwin: Rebounds O/U 3.553%
Shai Gilgeous-Alexander: Points O/U 9.552%
2Q O/U 55.552%
Suns O/U 104.552%
Thunder O/U 114.552%
Jordan Goodwin: Rebounds O/U 1.552%
Jalen Green: Points O/U 14.551%
Shai Gilgeous-Alexander: Rebounds O/U 3.551%
Collin Gillespie: Assists O/U 3.551%
Devin Booker: Assists O/U 1.551%
Shai Gilgeous-Alexander: Assists O/U 1.551%
Jared McCain: Rebounds O/U 1.551%
Team to Score First50%
Odd/Even Score50%
Overtime?50%
Collin Gillespie: Points O/U 4.550%
Devin Booker: Points O/U 9.550%
Devin Booker: Points O/U 14.550%
Dillon Brooks: Points O/U 9.550%
Isaiah Hartenstein: Points O/U 4.550%
Shai Gilgeous-Alexander: Points O/U 14.550%
Dillon Brooks: Rebounds O/U 7.550%
Isaiah Hartenstein: Rebounds O/U 5.550%
Isaiah Hartenstein: Rebounds O/U 9.550%
Khaman Maluach: Rebounds O/U 1.550%
Ajay Mitchell: 3-Pointers Made O/U 0.550%
Ajay Mitchell: 3-Pointers Made O/U 2.550%
Ajay Mitchell: 3-Pointers Made O/U 3.550%
Collin Gillespie: 3-Pointers Made O/U 0.550%
Collin Gillespie: 3-Pointers Made O/U 3.550%
Collin Gillespie: 3-Pointers Made O/U 4.550%
Devin Booker: 3-Pointers Made O/U 0.550%
Devin Booker: 3-Pointers Made O/U 2.550%
Devin Booker: 3-Pointers Made O/U 3.550%
Devin Booker: 3-Pointers Made O/U 4.550%
Dillon Brooks: 3-Pointers Made O/U 3.550%
Dillon Brooks: 3-Pointers Made O/U 4.550%
Jalen Green: 3-Pointers Made O/U 0.550%
Jalen Green: 3-Pointers Made O/U 1.550%
Jalen Green: 3-Pointers Made O/U 3.550%
Jalen Green: 3-Pointers Made O/U 4.550%
Jalen Green: 3-Pointers Made O/U 5.550%
Miles Bridges: 3-Pointers Made O/U 3.550%
Shai Gilgeous-Alexander: 3-Pointers Made O/U 0.550%
Ajay Mitchell: Steals O/U 2.550%
Collin Gillespie: Steals O/U 0.550%
Collin Gillespie: Steals O/U 2.550%
Jalen Green: Steals O/U 0.550%
Jalen Green: Steals O/U 1.550%
Jalen Green: Steals O/U 2.550%
Shai Gilgeous-Alexander: Steals O/U 0.550%
Shai Gilgeous-Alexander: Steals O/U 2.550%
Khaman Maluach: Blocks O/U 2.550%
Shai Gilgeous-Alexander: Blocks O/U 1.550%
Khaman Maluach: Blocks O/U 3.550%
1Q Spread -2.550%
3Q O/U 47.550%
3Q O/U 49.550%
3Q O/U 51.550%
3Q O/U 53.550%
3Q O/U 55.550%
3Q O/U 57.550%
3Q O/U 59.550%
4Q Spread -1.550%
Thunder O/U 102.550%
Suns O/U 92.550%
Thunder 2H O/U 53.550%
Thunder 2H O/U 55.550%
Thunder 2H O/U 57.550%
Thunder 2H O/U 59.550%
Thunder 2H O/U 61.550%
Suns 2H O/U 48.550%
Suns 2H O/U 50.550%
Suns 2H O/U 52.550%
Suns 2H O/U 54.550%
Suns 2H O/U 56.550%
Collin Gillespie: 3-Pointers Made O/U 6.550%
Shai Gilgeous-Alexander: Blocks O/U 2.550%
Shai Gilgeous-Alexander: 3-Pointers Made O/U 5.550%
Jordan Goodwin: Points O/U 4.550%
Jordan Goodwin: Points O/U 9.550%
Jordan Goodwin: Points O/U 14.550%
Jordan Goodwin: Assists O/U 3.550%
Jordan Goodwin: Steals O/U 0.550%
Jordan Goodwin: Steals O/U 1.550%
Jordan Goodwin: Steals O/U 2.550%
Jared McCain: 3-Pointers Made O/U 0.550%
Jared McCain: Assists O/U 5.550%
Jared McCain: 3-Pointers Made O/U 6.550%
Ajay Mitchell: Steals O/U 3.550%
Jared McCain: Points O/U 29.550%
Alex Caruso: Points O/U 4.550%
Alex Caruso: Points O/U 9.550%
Alex Caruso: Points O/U 14.550%
Jaylin Williams: Points O/U 4.550%
Jaylin Williams: Points O/U 9.550%
Jaylin Williams: Points O/U 14.550%
Kenrich Williams: Points O/U 4.550%
Kenrich Williams: Points O/U 9.550%
Kenrich Williams: Points O/U 14.550%
Luke Kennard: Points O/U 4.550%
Luke Kennard: Points O/U 9.550%
Luke Kennard: Points O/U 14.550%
Alex Caruso: Rebounds O/U 1.550%
Alex Caruso: Rebounds O/U 5.550%
Jaylin Williams: Rebounds O/U 1.550%
Jaylin Williams: Rebounds O/U 3.550%
Jaylin Williams: Rebounds O/U 5.550%
Jaylin Williams: Rebounds O/U 7.550%
Jaylin Williams: Rebounds O/U 9.550%
Jaylin Williams: Rebounds O/U 11.550%
Kenrich Williams: Rebounds O/U 1.550%
Kenrich Williams: Rebounds O/U 3.550%
Kenrich Williams: Rebounds O/U 5.550%
Kenrich Williams: Rebounds O/U 7.550%
Jaylin Williams: Assists O/U 1.550%
Jaylin Williams: Assists O/U 3.550%
Jaylin Williams: Assists O/U 5.550%
Alex Caruso: 3-Pointers Made O/U 0.550%
Alex Caruso: 3-Pointers Made O/U 1.550%
Alex Caruso: 3-Pointers Made O/U 2.550%
Jaylin Williams: 3-Pointers Made O/U 0.550%
Jaylin Williams: 3-Pointers Made O/U 1.550%
Jaylin Williams: 3-Pointers Made O/U 2.550%
Jaylin Williams: 3-Pointers Made O/U 3.550%
Jaylin Williams: 3-Pointers Made O/U 4.550%
Jaylin Williams: 3-Pointers Made O/U 5.550%
Jaylin Williams: 3-Pointers Made O/U 6.550%
Jaylin Williams: 3-Pointers Made O/U 7.550%
Luke Kennard: 3-Pointers Made O/U 0.550%
Luke Kennard: 3-Pointers Made O/U 1.550%
Luke Kennard: 3-Pointers Made O/U 2.550%
Alex Caruso: Steals O/U 0.550%
Alex Caruso: Steals O/U 2.550%
Spread -8.549%
O/U 222.549%
Miles Bridges: Rebounds O/U 5.549%
Jalen Green: Rebounds O/U 3.549%
Isaiah Hartenstein: Points O/U 9.549%
Devin Booker: Rebounds O/U 3.549%
Khaman Maluach: Rebounds O/U 3.549%
Khaman Maluach: Rebounds O/U 5.549%
Collin Gillespie: 3-Pointers Made O/U 1.549%
Miles Bridges: 3-Pointers Made O/U 0.549%
Miles Bridges: 3-Pointers Made O/U 4.549%
Ajay Mitchell: Steals O/U 0.549%
Collin Gillespie: 3-Pointers Made O/U 5.549%
2Q Spread -2.549%
4Q O/U 52.549%
Suns O/U 106.549%
Jordan Goodwin: Rebounds O/U 9.549%
Devin Booker: Rebounds O/U 1.548%
Isaiah Hartenstein: Rebounds O/U 15.548%
Shai Gilgeous-Alexander: Assists O/U 5.548%
1H Spread -0.548%
1H O/U 114.548%
3Q Spread -2.548%
Thunder O/U 116.548%
Jordan Goodwin: Assists O/U 5.548%
Miles Bridges: Points O/U 14.547%
Collin Gillespie: Points O/U 9.547%
Devin Booker: Assists O/U 5.547%
Devin Booker: Points O/U 34.547%
Devin Booker: Rebounds O/U 9.547%
Miles Bridges: Points O/U 29.547%
1H Spread -5.547%
Khaman Maluach: Points O/U 19.547%
Jordan Goodwin: Rebounds O/U 5.547%
Jared McCain: Points O/U 9.547%
Race to 1046%
Spread -9.546%
Dillon Brooks: Assists O/U 1.546%
Shai Gilgeous-Alexander: Rebounds O/U 9.546%
Khaman Maluach: Rebounds O/U 13.546%
Khaman Maluach: Rebounds O/U 15.546%
Devin Booker: Assists O/U 11.546%
Devin Booker: Points O/U 39.546%
Dillon Brooks: Rebounds O/U 3.545%
Jalen Green: Points O/U 29.545%
Dillon Brooks: Points O/U 29.545%
Khaman Maluach: Blocks O/U 0.545%
Miles Bridges: Rebounds O/U 11.545%
2Q O/U 57.545%
Thunder O/U 118.545%
Ajay Mitchell: Assists O/U 9.545%
O/U 224.544%
Khaman Maluach: Points O/U 14.544%
Dillon Brooks: 3-Pointers Made O/U 0.544%
Khaman Maluach: Blocks O/U 1.544%
1Q O/U 58.544%
Khaman Maluach: Rebounds O/U 11.543%
Miles Bridges: Rebounds O/U 3.543%
Thunder 1H O/U 60.543%
Suns O/U 108.543%
Suns O/U 110.543%
Spread -10.542%
Isaiah Hartenstein: Assists O/U 3.542%
Suns 1H O/U 55.542%
Thunder O/U 120.542%
1H Spread -7.540%
1H O/U 116.540%
2Q Spread -4.540%
4Q Spread -3.540%
Suns O/U 112.540%
Jordan Goodwin: 3-Pointers Made O/U 0.540%
Jared McCain: 3-Pointers Made O/U 1.540%
Race to 2039%
Spread -11.539%
O/U 226.539%
1Q Spread -4.539%
3Q Spread -4.539%
4Q O/U 54.539%
Thunder O/U 122.539%
Suns O/U 114.538%
Race to 3036%
Spread -12.536%
Devin Booker: Points O/U 19.536%
Devin Booker: Rebounds O/U 7.536%
Jared McCain: Points O/U 14.536%
O/U 228.535%
Suns 1H O/U 57.535%
Thunder O/U 124.535%
Jordan Goodwin: Assists O/U 1.535%
Jared McCain: Assists O/U 1.535%
Spread -13.534%
Dillon Brooks: Points O/U 14.534%
1H Spread -9.534%
1H O/U 118.534%
Jalen Green: Assists O/U 2.533%
Shai Gilgeous-Alexander: 3-Pointers Made O/U 2.533%
1Q O/U 60.533%
2Q O/U 59.533%
3Q Spread -1.533%
Thunder 1H O/U 62.533%
Miles Bridges: Assists O/U 2.532%
Collin Gillespie: Rebounds O/U 3.532%
Spread -14.531%
O/U 230.531%
Ajay Mitchell: Points O/U 19.531%
1H Moneyline31%
Shai Gilgeous-Alexander: 3-Pointers Made O/U 1.531%
1Q Spread -1.531%
1Q Spread -6.531%
2Q Spread -1.531%
2Q Spread -6.531%
3Q Spread -6.531%
4Q Spread -2.531%
Khaman Maluach: Points O/U 7.530%
Devin Booker: Points O/U 21.528%
Dillon Brooks: Points O/U 15.528%
Shai Gilgeous-Alexander: Assists O/U 11.528%
Devin Booker: 3-Pointers Made O/U 1.528%
Dillon Brooks: 3-Pointers Made O/U 1.528%
Miles Bridges: 3-Pointers Made O/U 1.528%
1H O/U 120.528%
4Q Spread -5.528%
Spread -16.527%
O/U 232.527%
Devin Booker: Assists O/U 9.527%
Dillon Brooks: Assists O/U 5.527%
1H Spread -11.527%
Devin Booker: Points O/U 22.527%
Suns vs. Thunder26%
Devin Booker: Points O/U 24.526%
Miles Bridges: Points O/U 19.526%
Jalen Green: Rebounds O/U 7.526%
Devin Booker: Assists O/U 7.526%
Miles Bridges: 3-Pointers Made O/U 2.526%
Jared McCain: 3-Pointers Made O/U 2.526%
Khaman Maluach: Rebounds O/U 8.526%
Alex Caruso: Rebounds O/U 3.526%
Shai Gilgeous-Alexander: Points O/U 34.525%
Collin Gillespie: Assists O/U 9.525%
Isaiah Hartenstein: Assists O/U 7.525%
1H Spread -2.525%
3Q Spread -3.525%
Jared McCain: Rebounds O/U 3.525%
Spread -1.524%
O/U 234.524%
Devin Booker: Rebounds O/U 4.524%
Khaman Maluach: Rebounds O/U 9.523%
Jalen Green: Assists O/U 3.523%
Collin Gillespie: 3-Pointers Made O/U 2.523%
1Q Spread -3.523%
1Q Spread -8.523%
3Q Spread -8.523%
Spread -18.522%
Shai Gilgeous-Alexander: Steals O/U 1.522%
Alex Caruso: Steals O/U 1.522%
Collin Gillespie: Assists O/U 4.521%
Jordan Goodwin: Assists O/U 2.521%
Devin Booker: Rebounds O/U 5.521%
Ajay Mitchell: Steals O/U 1.521%
Collin Gillespie: Steals O/U 1.521%
1H O/U 122.521%
Jordan Goodwin: 3-Pointers Made O/U 1.521%
Spread -3.520%
O/U 236.520%
Ajay Mitchell: Points O/U 29.520%
Jalen Green: 3-Pointers Made O/U 2.520%
1H Spread -13.520%
Ajay Mitchell: Points O/U 24.519%
Shai Gilgeous-Alexander: Assists O/U 7.519%
Ajay Mitchell: 3-Pointers Made O/U 1.519%
Spread -20.518%
Dillon Brooks: Points O/U 19.518%
Isaiah Hartenstein: Rebounds O/U 11.518%
Miles Bridges: Assists O/U 3.518%
Collin Gillespie: Rebounds O/U 7.518%
1H Spread -4.518%
1H O/U 124.518%
O/U 238.517%
Jared McCain: 3-Pointers Made O/U 3.517%
Spread -5.516%
Collin Gillespie: Rebounds O/U 5.516%
Shai Gilgeous-Alexander: Rebounds O/U 5.516%
Shai Gilgeous-Alexander: Assists O/U 9.516%
1H Spread -15.516%
Ajay Mitchell: Assists O/U 5.515%
Spread -22.514%
Collin Gillespie: Assists O/U 5.514%
Ajay Mitchell: Assists O/U 7.514%
1H Spread -6.514%
1H O/U 126.514%
Shai Gilgeous-Alexander: 3-Pointers Made O/U 3.514%
Jordan Goodwin: 3-Pointers Made O/U 2.514%
Jared McCain: Assists O/U 3.514%
Jalen Green: Points O/U 19.513%
Miles Bridges: Rebounds O/U 7.513%
Spread -7.512%
Collin Gillespie: Points O/U 14.512%
Ajay Mitchell: Rebounds O/U 5.512%
Jared McCain: Points O/U 19.512%
Jared McCain: Rebounds O/U 5.512%
Jared McCain: 3-Pointers Made O/U 4.512%
Spread -24.511%
Devin Booker: Points O/U 29.511%
Khaman Maluach: Points O/U 9.511%
Shai Gilgeous-Alexander: Points O/U 44.511%
Jalen Green: Rebounds O/U 5.511%
Jalen Green: Assists O/U 5.511%
1H Spread -17.511%
Isaiah Hartenstein: Points O/U 14.510%
Shai Gilgeous-Alexander: Points O/U 39.510%
1H Spread -8.510%
1H O/U 128.510%
Shai Gilgeous-Alexander: 3-Pointers Made O/U 4.510%
Jordan Goodwin: Rebounds O/U 7.510%
Spread -9.59%
Dillon Brooks: Rebounds O/U 5.59%
Dillon Brooks: Assists O/U 3.59%
Isaiah Hartenstein: Assists O/U 5.59%
Jordan Goodwin: 3-Pointers Made O/U 3.59%
Jared McCain: 3-Pointers Made O/U 5.59%
Spread -26.58%
Dillon Brooks: Points O/U 24.58%
Isaiah Hartenstein: Rebounds O/U 13.58%
Shai Gilgeous-Alexander: Rebounds O/U 7.58%
Miles Bridges: Assists O/U 5.58%
1H Spread -19.58%
Spread -11.57%
Spread -28.57%
Jalen Green: Points O/U 24.57%
Miles Bridges: Rebounds O/U 9.57%
1H Spread -10.57%
1H Spread -21.57%
Shai Gilgeous-Alexander: Steals O/U 3.56%
Miles Bridges: Points O/U 24.55%
Collin Gillespie: Points O/U 19.55%
Collin Gillespie: Assists O/U 7.55%
Ajay Mitchell: Rebounds O/U 7.55%
1H Spread -12.55%
Jared McCain: Points O/U 24.55%
Spread -13.54%
Spread -30.54%
Shai Gilgeous-Alexander: Points O/U 49.54%
Isaiah Hartenstein: Points O/U 19.54%
1H Spread -23.54%
Spread -15.53%
Spread -17.53%
Spread -32.53%
Spread -36.53%
Spread -19.52%
Spread -34.52%
Chet Holmgren: Points O/U 9.51%
Chet Holmgren: Rebounds O/U 1.51%
Chet Holmgren: Points O/U 29.51%
Chet Holmgren: Assists O/U 1.51%
Chet Holmgren: Assists O/U 3.51%
Chet Holmgren: 3-Pointers Made O/U 0.51%
Chet Holmgren: 3-Pointers Made O/U 1.51%
Chet Holmgren: 3-Pointers Made O/U 2.51%
Chet Holmgren: 3-Pointers Made O/U 3.51%
Chet Holmgren: 3-Pointers Made O/U 5.51%
Chet Holmgren: Blocks O/U 0.51%
Chet Holmgren: Blocks O/U 1.51%
Chet Holmgren: Blocks O/U 2.51%
Chet Holmgren: Blocks O/U 3.51%
Chet Holmgren: Blocks O/U 4.51%
Chet Holmgren: Points O/U 14.50%
Chet Holmgren: Points O/U 19.50%
Chet Holmgren: Points O/U 24.50%
Chet Holmgren: Rebounds O/U 3.50%
Chet Holmgren: Rebounds O/U 5.50%
Chet Holmgren: Rebounds O/U 7.50%
Chet Holmgren: Rebounds O/U 9.50%
Chet Holmgren: Rebounds O/U 11.50%
Chet Holmgren: Rebounds O/U 13.50%
Chet Holmgren: Rebounds O/U 15.50%

Market context

Suns vs. Thunder. The market is currently pricing the outcome at 25% YES, meaning crowd-implied probability sits at that level. Settlement is scheduled for 2026-10-27T00:00:00Z. Unlike a sportsbook, the price you see is set by buyers and sellers competing in a live order book — there is no house edge or bookmaker margin to fade.

Sports outcome markets resolve from official league data once the contest finishes. Pricing typically tightens through the warm-up window as line-ups, weather, and starting-pitcher data become public, then moves on goals or runs in real time.

Watch for the underlying catalysts that move this category: each official announcement, dataset release, or scheduled milestone generally produces a step change in the implied probability. Trades execute instantly on Polygon, and shares pay $1 each at resolution if your side wins.

Live Data & Statistics

The Polymarket order book prices O/U 190.5 at 97% for "Suns vs. Thunder".

O/U 190.5 97% Other 3%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $1.5M.

Methodology

This page compares Suns vs. Thunder specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

UK Frequently Asked Questions

What does Polymarket cost vs Kalshi?
Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
Is Betfair a Polymarket alternative?
Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
Which platform is accessible globally?
Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative UK has a different geo footprint and routes to Polymarket's order book at 0% fees.
Polymarket vs Betfair Exchange: which is better for UK prediction trading?
Betfair Exchange offers UKGC regulation, GBP settlement, and potentially tax-free winnings — but focuses on sports and politics only. Polymarket has deeper liquidity, 0% platform fee, global event coverage, and crypto/geopolitical markets Betfair doesn't offer. For UK traders: Betfair for regulated GBP sports markets; Polymarket for broader, global prediction events.
Is Kalshi available in the UK?
Kalshi is a US CFTC-regulated prediction exchange. UK residents can create accounts but must use USD and US payment methods. Kalshi's product range overlaps with Polymarket but with lower liquidity on most contracts. For UK traders, Polymarket typically offers better prices due to higher global volume.
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