Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
67% | 33% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
67% | 33% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 67% |
| O/U 6.5 | 61% |
| Cleveland Guardians vs. Chicago White Sox | 55% |
| 1st 5 Innings O/U 3.5 | 53% |
| O/U 7.5 | 48% |
| NRFI | 47% |
| Spread -1.5 | 41% |
| 1st 5 Innings O/U 4.5 | 40% |
| O/U 8.5 | 40% |
| 1st 5 Innings Spread -1.5 | 34% |
| Spread -2.5 | 30% |
| 1st 5 Innings O/U 5.5 | 28% |
| Spread -1.5 | 28% |
| 1st 5 Innings Spread -1.5 | 22% |
| 1st 5 Innings O/U 6.5 | 22% |
| Spread -2.5 | 19% |
| Extra Innings | 7% |
Market context
The Cleveland Guardians visit the Chicago White Sox after Cleveland snapped a three-game skid with an 8-2 win on Friday, a result driven by Angel Martínez’s grand slam and six RBIs.[1][2] Chicago had entered the series with stronger home form, but the clubs have already split several close games this season, including multiple one-run decisions and a recent extra-innings finish, which is one reason a market near 55% for Cleveland looks broadly consistent with a matchup that has not been one-sided.[3][10][14]
Recent form slightly favours Cleveland, who have shown more punch in this particular series even while their broader August run has been uneven.[4][11] The White Sox’s recent home profile has also mattered: they have been difficult to beat at home over a longer stretch, but Friday’s loss undercut some of that momentum.[3] For traders, the key catalysts are the confirmed line-ups and starting pitchers, because Cleveland’s price can move quickly if José Ramírez, Steven Kwan or Chase DeLauter are out, while Chicago’s side is sensitive to whether run-producing bats such as Chase Meidroth are available.[11][12]
Injury lists remain a live dependency on both sides, with Chicago carrying a longer absences list and several arms on the injured list, while Cleveland’s pitching depth has also been affected by multiple long-term injuries.[11][12] The final shape of the market should depend on pre-game roster news and any late pitching change, since this is the kind of AL Central game where recent head-to-head results and bullpen availability have been enough to swing outcomes in either direction.[10][18]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $130K.
Methodology
Sports-specific comparison page for Cleveland Guardians vs. Chicago White Sox. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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