Philadelphia Phillies vs. Washington Nationals

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Active sub-markets

Market context

The Philadelphia Phillies face the Washington Nationals at Nationals Park in Washington, DC on Monday, 22 June at 6:45pm ET, with the current Polymarket contract pricing a Phillies win at 0% YES. This on-chain market, settled in USDC on the Polygon network using conditional tokens, reflects a near-total consensus that the Phillies will not win this specific matchup, despite their strong roster. The price is not an abstract prediction of team quality but a precise signal of the market’s expectation for this single game’s outcome, where the resolution hinges on the official final statistics.

Historically, MLB markets with 0% implied probability for a favoured team often precede either a game postponement or a catastrophic underperformance by that team’s key players. Comparable cases from the 2024 and 2025 seasons show that when a team like the Phillies, featuring Bryce Harper—who holds a 1.009 OPS at Nationals Park since leaving the Nationals [6], is priced at 0%, the market is frequently betting on a rare anomaly, such as a pitching duel where the Phillies’ starters fail completely or an unexpected injury mid-game. These extremes are rare but frame how traders should interpret the current 0%: it signals a high-confidence bet on an outlier event, not a simple win-loss expectation.

Traders must monitor the official MLB schedule for any postponement announcements before the 6:45pm ET start, as a delay would keep the market open until the game is completed, altering the conditional token payoff structure. Additionally, watch for real-time injury reports on the Phillies’ starting pitcher, as a late-game substitution could shift the probability dramatically; the Athletic’s live box score coverage [5] and ESPN’s live stats [4] are primary sources for these dependencies. The game’s streaming availability on MLB.TV [2] also ensures immediate data flow, meaning any on-field catalyst will be priced in within seconds.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Scam?, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Scam?, 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.

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.