Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NRFI | 100% |
| Spread -1.5 | 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% |
| Spread -2.5 | 100% |
| O/U 8.5 | 100% |
| O/U 10.5 | 100% |
| Spread -3.5 | 100% |
| O/U 7.5 | 100% |
| Spread -4.5 | 100% |
| O/U 6.5 | 100% |
| O/U 5.5 | 100% |
| Washington Nationals vs. Atlanta Braves | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings O/U 4.5 | 0% |
| 1st 5 Innings O/U 5.5 | 0% |
| 1st 5 Innings O/U 6.5 | 0% |
| Extra Innings | 0% |
| Spread -1.5 | 0% |
| Spread -2.5 | 0% |
| Spread -5.5 | 0% |
| Spread -6.5 | 0% |
| Spread -7.5 | 0% |
| O/U 11.5 | 0% |
| O/U 12.5 | 0% |
Market context
The Washington Nationals’ road game against the Atlanta Braves has already been framed by the market as a near-certain Braves result, with the crowd-implied probability at **0% YES** for Washington. That is directionally consistent with the broader baseball pricing picture: recent sportsbook-style listings have shown Atlanta as a clear favourite, with one matchup line at **Braves -170** and an over/under of 8.5, while ESPN’s live game pages have also reflected Atlanta’s stronger season profile and home record.[7][11][15]
Historical context matters here because these clubs have split individual games despite the Braves’ stronger overall standing. Atlanta beat Washington 9-4 on 20 April and 5-4 on 30 July, but the Nationals also won 2-0 on 23 May, showing that even a lopsided season-to-date comparison does not eliminate upset risk in a single MLB game.[3][4][5][9] The current pricing gap between prediction markets and sportsbook-style odds is therefore less about disagreement on who is better, and more about how much volatility traders are assigning to one-game variance; Atlanta’s larger win total, better home record and recent head-to-head edge are the main reasons analysts have treated Washington as a long shot.[10][11][16]
For traders, the main catalysts are lineup, pitching and any schedule-related changes before first pitch, because those can move a one-game contract sharply even when the baseline probability is already extreme. The market description also matters operationally: if the game is postponed, it stays open until completed, while a cancellation or tie resolves 50-50, so weather and make-up scheduling are contract dependencies as much as on-field news.[0] Recent game pages and box scores indicate this is the same NL East pairing, with Atlanta entering from a stronger recent stretch and Washington needing a clean upset rather than any structural edge from the standings.[1][10][15]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $448K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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