Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| NRFI | 100% |
| 1st 5 Innings Spread -1.5 | 100% |
| 1st 5 Innings O/U 2.5 | 100% |
| Washington Nationals vs. Philadelphia Phillies | 82% |
| O/U 6.5 | 70% |
| Spread -1.5 | 68% |
| Spread -2.5 | 52% |
| O/U 11.5 | 52% |
| Extra Innings | 50% |
| O/U 7.5 | 36% |
| Spread -3.5 | 33% |
| O/U 8.5 | 28% |
| O/U 9.5 | 17% |
| O/U 10.5 | 13% |
| Spread -1.5 | 7% |
| Spread -2.5 | 4% |
| 1st 5 Innings O/U 3.5 | 1% |
| 1st 5 Innings O/U 4.5 | 1% |
| 1st 5 Innings O/U 6.5 | 1% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings O/U 5.5 | 0% |
Market context
The Washington Nationals’ trip to Philadelphia sits against a lopsided season profile that helps explain why the market is pricing the Phillies so heavily. ESPN’s live game page lists Philadelphia at 96-66 and Washington at 66-96, with the Phillies leading the season series 4-2 in the June meetings and having already produced both a 13-2 Nationals win and a pair of one-run comeback wins in the same matchup cycle.[11][2][3] That combination matters for reading an 82% implied probability: it reflects not just overall record, but the recent ability of Philadelphia to recover in-game, and the fact that Washington’s best result in the head-to-head has not translated into sustained control of the matchup.[3][19]
The main trader watchpoints are starting line-ups, late injury news, and whether Philadelphia can keep its usual home edge intact. Yahoo’s game listing shows the Phillies were 28-27 at home at the time of the earlier matchup set, while CBS Sports’ coverage noted the club had twice escaped from losing positions with late offence in Washington, suggesting that any absence in the middle of the order or bullpen usage from the previous game could quickly shift live expectations.[7][3] Because the market remains open if the game is postponed, rain or a schedule change would matter operationally as much as on-field news, while a cancelled game or tie would force the 50-50 fallback rather than a side result.[Market description]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $468K.
Methodology
Sports-specific comparison page for Washington Nationals 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
- 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.
- 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.
- 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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