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% |
| O/U 9.5 | 100% |
| 1st 5 Innings Spread -1.5 | 100% |
| 1st 5 Innings O/U 2.5 | 100% |
| 1st 5 Innings O/U 3.5 | 100% |
| 1st 5 Innings O/U 4.5 | 100% |
| 1st 5 Innings O/U 5.5 | 100% |
| 1st 5 Innings O/U 6.5 | 100% |
| O/U 8.5 | 100% |
| O/U 11.5 | 100% |
| O/U 12.5 | 100% |
| O/U 13.5 | 100% |
| O/U 14.5 | 100% |
| O/U 10.5 | 100% |
| St. Louis Cardinals vs. Atlanta Braves | 98% |
| Spread -1.5 | 94% |
| Spread -2.5 | 89% |
| O/U 16.5 | 82% |
| Spread -3.5 | 78% |
| O/U 15.5 | 51% |
| Extra Innings | 50% |
| Spread -1.5 | 4% |
| Spread -2.5 | 3% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings Spread -2.5 | 0% |
| 1st 5 Innings Spread -2.5 | 0% |
| Spread -4.5 | 0% |
| O/U 17.5 | 0% |
| Spread -5.5 | 0% |
| O/U 18.5 | 0% |
Market context
The upcoming MLB contest between the St. Louis Cardinals and Atlanta Braves, set for 7:15pm ET on 2 July, is a pivotal third meeting in a three-game series currently tied 1-1. Despite the crowd-implied 98% probability favouring the Braves, the underlying team form suggests a more volatile outcome than the market price indicates. Both squads have struggled recently, with the Braves posting a 3-7 record over their last ten games and the Cardinals managing only 4-6, while both teams have been outscored significantly in that span.
Historically, high-confidence favourites in mid-season MLB matchups with tied series records often fail to convert when key absences persist, as seen in comparable 2024 and 2025 cases where teams with multiple 60-day injury list players lost narrow home games. The Braves currently have nine players on the 60-day IL, including ace Spencer Strider and All-Star Sean Murphy, while the Cardinals rely on road underdogs who have trailed after three innings in their last three such games. Traders should monitor the confirmed starting pitchers, specifically whether Dustin May (5-6, 4.30 ERA) takes the mound for the Cardinals, and watch for any late roster updates regarding Hurston Waldrep, who has played just two innings this season but boasts a 2.88 ERA from last year. The series context and injury depth, rather than the raw win probability, frame the true risk here.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $462K.
Methodology
Sports-specific comparison page for St. Louis Cardinals vs. Atlanta Braves. 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
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- 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.
- 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.
- 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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