Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
34% | 66% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
34% | 66% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Washington Nationals vs. Atlanta Braves | 34% YES | 67% NO |
| NRFI | 53% YES | 48% NO |
| Spread -1.5 | 50% YES | 51% NO |
| O/U 9.5 | 43% YES | 57% NO |
| Spread -2.5 | 39% YES | 61% NO |
| Spread -4.5 | 24% YES | 77% NO |
Market context
Polymarket is pricing the Washington Nationals at 34% to win tonight’s game against the Atlanta Braves, with the contract settling in USDC on Polygon through conditional tokens. That implies the Braves are the market favourite, but not by a landslide. For a user holding YES or NO, the relevant question is not the headline matchup alone, but whether the price already reflects the current team form and the likely starting pitchers, line-up strength and late injury news before first pitch.
Recent head-to-head results point towards Atlanta’s edge. The Braves beat Washington 7-2 on 23 April and 5-4 on 22 April, and have generally controlled the series over a long sample; StatMuse and other H2H records show Atlanta with a clear overall advantage across the rivalry. ESPN’s recap of the April 23 game noted JR Ritchie gave up a homer on his first big league pitch but settled to help Atlanta to its eighth win in nine games, which is the sort of result that can keep a favourite relatively well supported in the market. A 34% Nationals price suggests traders are leaving room for baseball variance, not pricing this as a near coin flip.
The main catalysts before settlement are the official line-ups, confirmed starters and any late scratches, because baseball pricing can move sharply once those are published. The game is scheduled for 7:15pm ET on 22 May, and if it is postponed the contract stays open until completion; only a cancellation with no make-up, or a tie, would trigger the 50-50 fallback. That means traders should watch the MLB and team feeds right up to first pitch, as well as any weather or scheduling changes that could alter the make-up path.
Methodology
We track Washington Nationals vs. Atlanta Braves on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Washington Nationals vs. Atlanta Braves on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →