Philadelphia Phillies vs. New York Mets

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Market context

The Philadelphia Phillies and New York Mets are set to clash in a pivotal MLB game at Citi Field on 26 June at 7:10pm ET, with the Phillies aiming to secure a win that would resolve the prediction market in their favour. On Polymarket today, this contract sits at a 100% conditional probability for the Phillies, reflecting an overwhelming market consensus that the outcome is virtually certain, a price level driven by on-chain liquidity in USDC on the Polygon network and the structure of conditional tokens that lock in the resolution source as the official final statistics.

Historically, such 100% pricing in MLB prediction markets has preceded games where one team dominated their opponent in recent form, as seen when the Phillies scored eight runs against the Nationals on 25 June and held a 15–3 lead over another rival in a prior matchup[1]. Comparable cases show that when a team’s offensive output and defensive stability are markedly superior, the market often locks in certainty before the game begins, framing the current probability not as speculation but as a reflection of established performance trends.

Traders should monitor the official starting lineups announced by MLB on the morning of the game, as any unexpected pitcher changes could alter the dynamics, though the Phillies’ recent dominance suggests minimal risk. Additionally, watch for weather updates from Citi Field, as heavy rain could delay the game and extend the settlement window beyond the 2026-07-03 deadline, per the market’s rules for postponed events[4]. Recent box scores confirm the Phillies’ strong form, with their latest performance against the Mets on 26 June already highlighting their offensive prowess[5].

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 Kalshi UK, 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 Kalshi UK, 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.

What does it cost to trade on Kalshi UK?

Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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, Kalshi UK triggers a quick verification flow that finishes in 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.