Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
78% | 22% | 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 | 78% |
| 1st 5 Innings O/U 3.5 | 63% |
| NRFI | 52% |
| 1st 5 Innings O/U 4.5 | 50% |
| O/U 8.5 | 50% |
| Texas Rangers vs. Houston Astros | 45% |
| O/U 9.5 | 40% |
| 1st 5 Innings O/U 5.5 | 39% |
| Spread -1.5 | 38% |
| 1st 5 Innings Spread -1.5 | 34% |
| Spread -1.5 | 33% |
| O/U 10.5 | 33% |
| 1st 5 Innings O/U 6.5 | 28% |
| Spread -2.5 | 28% |
| 1st 5 Innings Spread -1.5 | 27% |
| Spread -2.5 | 24% |
| Extra Innings | 11% |
Market context
The Texas Rangers and Houston Astros meet in an AL West game with the market near a coin flip at 45% YES, and that sits close to the season-long shape of this matchup rather than any single result. Houston has had the edge in the series, going 5-2 against Texas this year in the listed head-to-head data, while the Astros have also taken several recent meetings by comfortable margins, including a 9-3 win on 11 July and an 11-2 win on 31 July.[13][6][8][14]
That historical framing matters because these clubs have shown a tendency to separate late in games and in head-to-head stretches, even when their overall records have been uneven. MLB’s series preview on 16 August noted Houston had won eight of nine and had the best record in the American League since 21 May, with beat reporter Brian McTaggart highlighting a 35-24 run in that span.[16] Rangers-Astros games have also been one of the more lopsided recent intra-division matchups, with Houston winning or splitting nine straight season series against Texas dating back to 2017.[17][14]
For traders, the main catalysts are line-up and pitching announcements, because the recent scores suggest both clubs can swing quickly when the bats stack up. Houston’s recent wins were driven by Yordan Alvarez power, including multi-homer outings in May and July, while Texas’ offence has been less consistent, with one ESPN box score showing the Rangers’ season line lagging Houston in runs and power output at that point.[3][4][6] The bet-reporter angle to watch is whether either side rests regulars or changes the starting pitcher after the scheduling load around the July series, since a rotation flip or late scratch would matter more here than broader standings noise.[16][19]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $262K.
Methodology
Sports-specific comparison page for Texas Rangers 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.
- 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.
- 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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