Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
88% | 12% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
88% | 12% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 88% |
| 1st 5 Innings O/U 3.5 | 82% |
| O/U 8.5 | 54% |
| NRFI | 51% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings O/U 6.5 | 50% |
| Extra Innings | 50% |
| 1st 5 Innings O/U 4.5 | 48% |
| Miami Marlins vs. New York Mets | 45% |
| O/U 9.5 | 42% |
| 1st 5 Innings O/U 5.5 | 41% |
| Spread -1.5 | 38% |
| Spread -1.5 | 35% |
| O/U 10.5 | 35% |
| Spread -2.5 | 28% |
| Spread -2.5 | 25% |
Market context
Polymarket has this contract at **45% YES** today, which is below the market’s recent consensus on Miami and points to a modest Mets lean rather than a strong conviction either way. In practical terms, traders are buying and selling **USDC** against **conditional tokens** on **Polygon**, so the price is best read as the market’s current view of who wins the completed game, not just who looks stronger pre-match. The game is set for **August 1 at 4:10 PM ET**, and any suspension or postponement keeps the market live until the result is official.
That pricing sits in the same broad range as recent bookmaker and crowd signals, where the Mets have usually been a narrow home favourite and the Marlins have stayed close enough to remain live on the moneyline. Recent odds for the matchup placed New York around **-115 to -126** and Miami around **+105 to +108**, with low totals around **7 to 8.5 runs**, which is consistent with a relatively tight game rather than a one-sided spot.[1][3][7] Earlier 2026 meetings between the clubs have also finished as close, lower-scoring contests, including a **9-7 Mets win** and a **10-1 Mets win** in prior head-to-heads, showing that volatility in this pairing is normal rather than exceptional.[5][9]
For a Polymarket trader, the key catalysts are the **confirmed starting pitchers**, late lineup scratches, and any schedule change tied to weather or MLB rescheduling, because those are the main factors that can move both the cash line and the on-chain price before first pitch. The market’s settlement mechanics matter too: if the game is postponed, it stays open until completed; if it is cancelled with no make-up, or ends tied, the contract resolves **50-50** under the market rules. That makes official MLB status updates the main thing to watch alongside line movement in the hours before the game.[1][3]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $137K.
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
- 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.
Trade Pronóstico: Miami Marlins vs. New York Mets on Polymarket Qué Es
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