Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live 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% |
| 1st 5 Innings O/U 4.5 | 80% |
| 1st 5 Innings Spread -1.5 | 74% |
| Spread -1.5 | 72% |
| 1st 5 Innings O/U 5.5 | 72% |
| O/U 7.5 | 72% |
| O/U 8.5 | 66% |
| 1st 5 Innings O/U 6.5 | 58% |
| O/U 9.5 | 55% |
| 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% |
| Extra Innings | 50% |
| Spread -1.5 | 50% |
| Houston Astros vs. Texas Rangers | 16% |
| NRFI | 0% |
| Spread -3.5 | 0% |
Market context
The Houston Astros face the Texas Rangers at Globe Life Field this afternoon in a pivotal AL West clash, with the Rangers holding first place at 48–47 and the Astros trailing at 47–50. The 43% crowd-implied probability for an Astros win reflects their recent struggles, including a loss in yesterday’s 7/11 matchup where the Rangers secured a decisive victory, as shown in official game highlights [1][2].
Historically, intra-division games between these rivals have swung sharply based on starting pitching and late-inning momentum, with the Rangers winning six of their last ten home meetings since 2024. The current probability aligns with comparable cases where the visiting team held below 45% implied win chance despite a strong overall record, often resolving to the home side when the starter dominated early innings.
Traders should monitor MacKenzie Gore’s performance for the Rangers and Cristian Javier’s outing for the Astros, both confirmed for today’s 2:35PM ET start [6][7]. Any delay due to weather or pitching changes could shift on-chain liquidity, particularly if USDC settlement volumes spike ahead of the 18:35Z settlement window. Recent MLB previews note the Rangers’ early offensive pressure against Valdez, a trend that may influence funding rates on crypto prediction exchanges if whale flows detect an edge [4].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $225K.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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