Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
56% | 44% | 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 | 56% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -2.5 | 50% |
| 1st 5 Innings Spread -2.5 | 50% |
| 1st 5 Innings O/U 3.5 | 50% |
| 1st 5 Innings O/U 4.5 | 50% |
| 1st 5 Innings O/U 5.5 | 50% |
| 1st 5 Innings O/U 6.5 | 50% |
| Extra Innings | 50% |
| Boston Red Sox vs. Chicago White Sox | 47% |
| O/U 7.5 | 43% |
| O/U 8.5 | 37% |
| Spread -1.5 | 35% |
| Spread -1.5 | 34% |
| O/U 9.5 | 28% |
| NRFI | 0% |
| O/U 6.5 | 0% |
Market context
The Boston Red Sox and Chicago White Sox face off in a decisive MLB game at 2:10PM ET on 9 July, with the market currently pricing a Red Sox victory at 47% despite the visitors winning their fifth straight contest by a 5-0 margin the previous night[1][8]. This streak mirrors historical patterns where teams entering a series with three or more consecutive wins often carry momentum into the next fixture, yet the 47% implied probability suggests the market is tempering expectations due to the White Sox’s home-venue advantage and the Red Sox’s recent reliance on a single dominant pitcher[1][2]. Comparable cases from the 2024 and 2025 seasons show that teams with five straight wins before a mid-week matchup win roughly 52% of such games, indicating the current 47% line may slightly undervalue the Red Sox’s form[1].
Traders should monitor the starting lineups announced by 1:00PM ET, particularly whether Jake Bennett, who allowed just four hits over seven innings on 8 July, is confirmed to start again[1][7]. A key catalyst is the absence of any reported injury updates for the White Sox’s Sam Antonacci, whose performance in the previous loss may influence the market’s shift if he is rested or replaced[1][7]. Additionally, the game’s settlement window extends until 16 July 2026, meaning any postponement due to weather could delay resolution and alter crowd-implied probabilities as new information emerges[5]. Recent beat reports from CBS Sports confirm Bennett’s strong form and highlight the Red Sox’s offensive surge, with Tsung-Che Cheng recording his first multi-RBI game in the prior match[8].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $211K.
Methodology
Sports-specific comparison page for Boston Red Sox 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
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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.
- 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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