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 | 65% |
| O/U 7.5 | 62% |
| O/U 8.5 | 55% |
| 1st 5 Innings O/U 4.5 | 53% |
| NRFI | 49% |
| Washington Nationals vs. Atlanta Braves | 46% |
| O/U 9.5 | 43% |
| 1st 5 Innings O/U 5.5 | 40% |
| Spread -1.5 | 37% |
| Spread -1.5 | 35% |
| 1st 5 Innings Spread -1.5 | 31% |
| 1st 5 Innings O/U 6.5 | 31% |
| 1st 5 Innings Spread -1.5 | 28% |
| Spread -2.5 | 27% |
| Spread -2.5 | 27% |
| Extra Innings | 9% |
Market context
The Washington Nationals’ visit to Atlanta is priced close to a coin flip, but the recent form still leans slightly towards the Braves. Atlanta have the stronger season record and home split in the available data, and they beat Washington 6-2 on 31 July, with another Braves win in the series on 1 August showing they have recently handled this matchup better than the market’s 46% YES implies.[1][12] That said, the Nationals have already shown they can take games in Atlanta this year, including a 2-0 win in late May, so the head-to-head record is not one-way and the probability is sensitive to line-up and pitching news rather than broad season strength alone.[4][17]
For traders, the key catalysts are the starting pitchers, late injury updates and any rest-management decisions after a short turnaround in the series. ESPN’s game page lists several Nationals pitchers on the injured list, including Jake Irvin and Josiah Gray, while the Braves’ roster context remains important because their recent results have been driven by healthier run prevention at home.[1] MLB’s preview notes Irvin’s career line against Atlanta and Grant Holmes’ effectiveness versus left-handed hitters, which matters if either club alters its batting order late.[17] With this market open until the game is completed, any postponement, weather delay or change to the announced starter can still move the price materially before first pitch.[1]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $207K.
Methodology
Sports-specific comparison page for Washington Nationals 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
- 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.
- 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.
- 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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