Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Baltimore Orioles vs. Houston Astros | 100% |
| Spread -1.5 | 100% |
| 1st 5 Innings Spread -1.5 | 100% |
| 1st 5 Innings Spread -2.5 | 100% |
| 1st 5 Innings O/U 2.5 | 100% |
| 1st 5 Innings O/U 3.5 | 100% |
| 1st 5 Innings O/U 4.5 | 100% |
| O/U 6.5 | 100% |
| Spread -2.5 | 100% |
| NRFI | 0% |
| O/U 8.5 | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings Spread -2.5 | 0% |
| 1st 5 Innings O/U 5.5 | 0% |
| 1st 5 Innings O/U 6.5 | 0% |
| Extra Innings | 0% |
| Spread -1.5 | 0% |
| O/U 7.5 | 0% |
| O/U 9.5 | 0% |
| Spread -3.5 | 0% |
| Spread -4.5 | 0% |
Market context
The Baltimore Orioles defeated the Houston Astros 5–2 on Sunday, July 19, extending their season-best winning streak to seven games with a dominant performance at Minute Maid Park [3]. Pitcher Brandon Young delivered seven innings of one-run ball while Coby Mayo contributed a home run, cementing Baltimore’s momentum as they head into the final instalment of this three-game series [3].
Historically, a seven-game winning streak for the Orioles in mid-July has preceded a 12–3 run over the following fortnight, suggesting the 100% YES crowd probability aligns with their sustained form rather than a fluke [3]. The Astros, despite winning five of their last six games prior to this loss, remain vulnerable when key hitters like Jeremy Peña and Christian Walker are unavailable due to injury [1][4]. Any confirmation of their absence would further weaken Houston’s offensive output, which has struggled to convert scoring chances in recent outings [1].
Traders should monitor pre-game announcements regarding Peña and Walker’s availability, as their status directly impacts Houston’s run-scoring potential [1]. Additionally, watch for updates on Orioles pitcher Kyle Bradish’s command against Alvarez and the effectiveness of Brown’s secondary pitches following his shoulder return [1]. The game’s total is set at 8.5 runs, with analysts favouring the Over as the primary betting angle given both teams’ recent defensive lapses [2].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $243K.
Methodology
Sports-specific comparison page for Baltimore Orioles vs. Houston Astros. 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.
- 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.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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