Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
78% | 22% | 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 | 78% |
| 1st 5 Innings O/U 3.5 | 66% |
| Miami Marlins vs. New York Mets | 53% |
| 1st 5 Innings O/U 4.5 | 53% |
| O/U 8.5 | 53% |
| NRFI | 50% |
| O/U 9.5 | 42% |
| 1st 5 Innings O/U 5.5 | 41% |
| Spread -1.5 | 40% |
| O/U 10.5 | 35% |
| 1st 5 Innings Spread -1.5 | 33% |
| Spread -1.5 | 32% |
| 1st 5 Innings O/U 6.5 | 30% |
| Spread -2.5 | 30% |
| 1st 5 Innings Spread -1.5 | 28% |
| Spread -2.5 | 22% |
| Extra Innings | 8% |
Market context
The Marlins and Mets meet after Miami’s 6-2 win on Saturday, a result that nudged the current crowd view only modestly above even and left the market near a coin flip at 53% YES. Miami has been the better side in this season series, taking four of the five meetings listed by Statmuse, but the Mets have still produced some of the higher-leverage outcomes, including a 9-7 extra-innings win earlier in the set and a 10-1 blowout in another meeting, so recent head-to-head form has been volatile rather than decisive.[1][13][15]
For traders, the main watchpoint is whether Miami can keep converting its speed and whether New York’s offence sustains the uptick shown by Tyrone Taylor and Francisco Lindor. ESPN’s recap of Saturday’s game noted that the Marlins remain second in the majors with 122 steals and have stolen at least two bases in a game 35 times this season, while Taylor entered the day batting .341 since 4 July and was identified as a possible trade piece before the deadline.[1] The same recap also pointed to Miami’s bullpen holding up late, with Lake Bachar recording a three-inning save, which matters if this game turns into another close, low-margin contest.[1]
Lineup and roster news should move the number more than the broad season records. ESPN’s team page for the July 31 game listed Marlins left fielder Griffin Conine and pitcher Thomas White on the injured list, which would keep pressure on Miami’s depth if those absences persist.[10] On the Mets side, any deadline-related change involving Taylor, or a late scratch to Lindor or another regular, would matter quickly because the market is sensitive to everyday availability rather than overall standings alone.[1][19]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $108K.
Methodology
Sports-specific comparison page for Miami Marlins vs. New York Mets. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
Trade Miami Marlins vs. New York Mets on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →