Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
81% | 19% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
81% | 19% | 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 | 81% |
| 1st 5 Innings O/U 3.5 | 67% |
| O/U 7.5 | 60% |
| 1st 5 Innings O/U 4.5 | 55% |
| O/U 8.5 | 51% |
| NRFI | 50% |
| San Diego Padres vs. Miami Marlins | 48% |
| 1st 5 Innings O/U 5.5 | 42% |
| O/U 9.5 | 42% |
| Spread -1.5 | 36% |
| Spread -1.5 | 36% |
| 1st 5 Innings Spread -1.5 | 35% |
| 1st 5 Innings O/U 6.5 | 31% |
| 1st 5 Innings Spread -1.5 | 27% |
| Spread -2.5 | 27% |
| Spread -2.5 | 25% |
| Extra Innings | 10% |
Market context
The San Diego Padres and Miami Marlins are scheduled to meet in Miami on 26 July, and the live match state is what will decide this contract rather than pre-game sentiment. ESPN’s live game page shows the contest as in progress with a scoreline around level territory, which is consistent with the market sitting near parity at a 48% yes price rather than implying a clear favourite[1].
For context, this sort of price often tracks recent form more than season-long reputation in single-game MLB markets. The most directly relevant comparator is the game the previous night, when San Diego won 7-2 and completed a sweep, while the broadcast commentary noted Miami had fallen to an 11-game losing streak and tied a franchise record[2]. That matters because short losing runs can quickly depress market confidence, but baseball variance remains high enough that a one-game swing can leave a near-50% market looking broadly efficient.
Traders should watch the live scoring feed, any official postponement or completion notice, and whether the game reaches a formal final result before the settlement window closes. Because the contract resolves on the official final statistics recognised by the governing body, late changes from weather suspensions, continuation games, or an abandoned tie scenario are the key operational risks rather than broader macro moves. BTC or ETH spot and funding rates are unlikely to drive this contract directly unless market-wide risk appetite is spilling into all USDC-settled sports books at once, which is a secondary rather than primary factor.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $367K.
Methodology
This page reads San Diego Padres vs. Miami Marlins 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 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.
- 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.
- 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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