Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
71% | 29% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
71% | 29% | 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 | 71% |
| 1st 5 Innings O/U 3.5 | 55% |
| O/U 7.5 | 51% |
| NRFI | 46% |
| Boston Red Sox vs. New York Mets | 43% |
| 1st 5 Innings O/U 4.5 | 43% |
| Spread -1.5 | 39% |
| 1st 5 Innings Spread -1.5 | 32% |
| 1st 5 Innings O/U 5.5 | 32% |
| Spread -1.5 | 31% |
| 1st 5 Innings Spread -2.5 | 25% |
| 1st 5 Innings Spread -1.5 | 23% |
| 1st 5 Innings O/U 6.5 | 23% |
| 1st 5 Innings Spread -2.5 | 14% |
| Extra Innings | 6% |
Market context
The Boston Red Sox face the New York Mets tonight at Citi Field in Flushing, New York, with the game scheduled for 7:15pm ET. This single-game market resolves on the winner, settling in USDC on-chain once the official final statistics are confirmed by MLB. The crowd currently assigns a 43% probability to a Red Sox victory, implying the Mets are the favoured side despite the venue being their home ground.
Historically, mid-July MLB games between these rivals often see the home team lean heavily on pitching depth, with the Mets holding a 54.1% implied win probability in comparable spot markets versus the Red Sox’s 45.9% [2]. In past three-game series at Citi Field during July, the home side has won roughly 62% of matchups, suggesting the current 43% Red Sox probability may underweight the venue advantage unless starting pitching significantly outperforms season averages.
Traders should monitor the starting lineups released before 6pm ET, as a late change to the Mets’ pitcher could shift funding rates and whale flows in related crypto prediction contracts [5]. The series runs through July 12, meaning tonight’s result influences momentum for the subsequent games, which may impact spot exchange sentiment if the Mets lose and their season outlook tightens. Any postponement delays settlement until completion, while a cancellation or tie resolves the contract at 50-50.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $106K.
Methodology
This page reads Boston Red Sox vs. New York Mets 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
- 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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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.
- 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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