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Washington Nationals vs. Philadelphia Phillies

How the prediction market is pricing "Washington Nationals vs. Philadelphia Phillies" right now — Polymarket mid plus comparison with Betfair and Manifold.

1st 5 Innings O/U 2.5 78% 1st 5 Innings O/U 3.5 67% Spread -1.5 56% 1st 5 Innings O/U 4.5 54% Volume: $130K Liquidity: $1.2M Closes: 11 Aug 2026
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Washington Nationals vs. Philadelphia Phillies

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via World Cup 2026 Favorites) Pick
polygram.ink (preferred broker)
78% 22% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
78% 22% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
1st 5 Innings O/U 2.578%
1st 5 Innings O/U 3.567%
Spread -1.556%
1st 5 Innings O/U 4.554%
O/U 8.554%
NRFI53%
1st 5 Innings Spread -1.547%
O/U 9.543%
1st 5 Innings O/U 5.543%
Spread -2.543%
O/U 10.536%
1st 5 Innings O/U 6.529%
Washington Nationals vs. Philadelphia Phillies28%
Spread -1.520%
1st 5 Innings Spread -1.518%
Spread -2.514%
Extra Innings7%

Market context

Washington’s home meeting with Philadelphia comes after the Phillies won the most recent game between the sides 6-3 on 3 August, a result that fits a season series already tilted towards Philadelphia. The two clubs have split stretches of recent head-to-heads, but the Phillies have taken 4 of the last 5 meetings cited in live match trackers, including a 10-5 win in Washington in late June and a 14-9 comeback in the same series, which is the kind of recent pattern that usually keeps the favourite side trading shorter than a pure record comparison would suggest.[1][3][13][19]

The current 28% YES implies the Nationals are being treated as a clear underdog, and that is broadly consistent with the broader shape of the matchup. ESPN’s game page shows Philadelphia at 96-66 with a one-game winning streak, while Washington’s recent form has been less stable, even if the Nationals have produced some higher-scoring outbursts in the matchup itself.[4][2] The Phillies also own the stronger season résumé in the division, which matters in a market that resolves on the straight moneyline and gives little credit for moral victories or close losses.[4]

For traders, the main live catalysts are the confirmed starting pitchers, batting-order line-ups, and any late injury or rest scratches, because those can move a game between a routine Phillies angle and a more volatile, bullpen-driven contest. The market should also be watched for weather or postponement risk, since a postponed game remains open until completed, while a cancellation or tie would settle 50-50 under the rules; as of the available pregame listings, the matchup is set for 6:40 p.m. ET and Philadelphia enters off a recent win, so any late change to that status would be the most immediate driver.[4][2]

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 78% for "Washington Nationals vs. Philadelphia Phillies".

1st 5 Innings O/U 2.5 78% Other 22%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $130K.

Methodology

Football-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 (US-focused) or Manifold (play-money).

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.
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.
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.
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