Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
74% | 26% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
74% | 26% | 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 | 74% |
| 1st 5 Innings O/U 3.5 | 62% |
| O/U 7.5 | 55% |
| Spread -1.5 | 53% |
| 1st 5 Innings O/U 4.5 | 49% |
| NRFI | 48% |
| O/U 8.5 | 46% |
| 1st 5 Innings Spread -1.5 | 46% |
| Spread -2.5 | 40% |
| 1st 5 Innings O/U 5.5 | 37% |
| O/U 9.5 | 37% |
| Miami Marlins vs. Philadelphia Phillies | 31% |
| 1st 5 Innings O/U 6.5 | 26% |
| Spread -1.5 | 22% |
| 1st 5 Innings Spread -1.5 | 15% |
| Spread -2.5 | 14% |
| Extra Innings | 9% |
Market context
The Marlins travel to Citizens Bank Park on 17 August for an evening fixture against the Phillies, with the 31% implied probability favouring Philadelphia. Miami enters this matchup in the midst of a difficult stretch, having won just four of their last fifteen games as of mid-August, whilst the Phillies maintain a more consistent record in the National League East race. The Marlins' offensive production has been inconsistent throughout the season, and their pitching rotation has cycled through several injury-related absences that have strained depth.
Historically, the Marlins' road record against playoff-contending teams like Philadelphia has been poor; since 2023, Miami has won approximately 38% of away games against teams with winning records. The Phillies, conversely, have shown stronger home performance, particularly in evening starts, where they've posted a .545 win percentage over the past two seasons. This contextual gap—between a struggling visitor and a more stable home side—partially explains why the market has settled at 31% for a Marlins victory rather than closer to 50-50.
Traders should monitor lineup availability announcements in the 48 hours before first pitch. The Phillies' recent injury report, as covered by MLB.com's beat writers, indicated potential absences in their outfield rotation, which could shift offensive capacity. Miami's pitching assignment will prove critical; if the Marlins deploy a starter with an ERA above 4.50 on the road, historical performance suggests further downward pressure on their win probability. Weather conditions at Citizens Bank Park—particularly wind direction affecting fly-ball distance—may also influence run-scoring patterns in an evening fixture.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $89K.
Methodology
Sports-specific comparison page for Miami Marlins vs. Philadelphia Phillies. 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
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- 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.
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