Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
80% | 20% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
80% | 20% | 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 | 80% |
| 1st 5 Innings O/U 3.5 | 67% |
| O/U 7.5 | 62% |
| 1st 5 Innings O/U 4.5 | 56% |
| O/U 8.5 | 54% |
| NRFI | 52% |
| Houston Astros vs. Chicago White Sox | 46% |
| 1st 5 Innings O/U 5.5 | 43% |
| O/U 9.5 | 42% |
| Spread -1.5 | 39% |
| 1st 5 Innings Spread -1.5 | 36% |
| Spread -1.5 | 34% |
| 1st 5 Innings O/U 6.5 | 31% |
| Spread -2.5 | 28% |
| 1st 5 Innings Spread -1.5 | 25% |
| Spread -2.5 | 24% |
| Extra Innings | 9% |
Market context
The Houston Astros face the Chicago White Sox on 24 July at 7:40PM ET in a regular-season MLB matchup. The market currently prices an Astros victory at 46%, implying roughly even odds despite Houston's stronger historical standing. Settlement occurs via USDC on the btc-prediction.bet platform, with the window extending to 31 July to accommodate any postponements or make-up fixtures. A 50-50 resolution applies only if the game is cancelled without rescheduling or ends in a tie—an outcome rare enough in baseball that traders should treat it as negligible noise.
The Astros have maintained a competitive roster centred on their core group, whilst the White Sox have undergone significant roster reconstruction in recent seasons, typically resulting in wider performance gaps between the clubs. Historical head-to-head records and season-to-date records favour Houston, yet the crowd probability of 46% suggests material uncertainty around specific variables: pitcher matchups, recent form, injury status, or ballpark conditions at the scheduled venue. The White Sox's rebuilding phase has created volatility in their win-loss patterns, which can compress or expand implied probabilities unpredictably.
Traders should monitor roster updates and starting pitcher confirmations through 24 July, particularly any late injury announcements affecting either team's rotation or lineup. Weather forecasts for the game location merit attention, as precipitation or wind conditions can materially shift expected run production. Recent performance trends—both teams' records in their last ten games and any streaks—often shift market pricing in the final 48 hours before first pitch. No major macro events (BTC/ETH volatility spikes, funding rate extremes) typically correlate with baseball markets, so directional crypto moves should not influence positioning here.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $299K.
Methodology
This page reads Houston Astros vs. Chicago White Sox on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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 are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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.
- 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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