Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 100% |
| Spread -1.5 | 77% |
| O/U 5.5 | 71% |
| Spread -2.5 | 65% |
| O/U 6.5 | 58% |
| 1st 5 Innings O/U 3.5 | 54% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 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% |
| Spread -3.5 | 47% |
| O/U 7.5 | 44% |
| O/U 8.5 | 34% |
| O/U 9.5 | 24% |
| Texas Rangers vs. Houston Astros | 9% |
| Spread -1.5 | 6% |
| Spread -2.5 | 2% |
| NRFI | 0% |
Market context
Polymarket currently prices this Rangers-Astros contract at **13% YES**, so the market is treating a Texas Rangers win as a clear underdog outcome rather than a coin flip. Because settlement is on the official final result and the contract runs on USDC on Polygon through conditional tokens, the live price is best read as a tradeable probability, not a prediction of margin or run total.
For historical context, this price sits against a season series that has leaned Houston: Statmuse shows the Rangers are **2-5** against the Astros this year, while TeamRankings says Houston has won or split nine straight season series dating back to 2017[14][13]. Recent head-to-head results have still been noisy, though: Texas beat Houston **10-7** on 26 May after the Astros had thrown a combined no-hitter against the Rangers the previous day, and Houston won **9-3** on 11 July[2][6]. That mix of rivalry familiarity and short-run volatility is why even a low-implied price can move quickly on line-up news or a late pitching change.
A trader should watch the confirmed starting pitchers, any rest-day scratches, and whether either club is protecting postseason positioning or managing innings, because those inputs tend to reprice MLB moneylines quickly. The scheduled first pitch is **31 July at 8:15pm ET**, and because this market stays open if the game is postponed, the main practical risk is not a venue switch but a delay that pushes settlement beyond the first scheduled slate. ESPN’s live game listing confirms the fixture is on the calendar, while the season pages show both teams still clustered around .500, which keeps the probability sensitive to late team-news rather than standings alone[3][4][9].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $392K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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