Boston Red Sox vs. Chicago White Sox

Platform comparison

Market context

The Boston Red Sox face the Chicago White Sox in a scheduled MLB game at 2:10PM ET on 9 July, with the market currently pricing a 52% chance of a Red Sox victory. This single-game contest resolves on the official winner, remaining open if postponed and settling 50-50 only if cancelled or tied.

Historical head-to-head data shows the Red Sox won the most recent encounter on 8 July 2026 by a 5-0 margin, a result that aligns with their 41-48 season record compared to the White Sox’s weaker form [1][7]. Over the last five meetings, the White Sox have won three but average just 4.2 points, suggesting the Red Sox’s current 52% implied probability reflects a realistic edge rather than an outlier [4]. The 5-0 shutout in Chicago demonstrates the Red Sox’s capacity to dominate defensively, a trend that supports the current pricing when viewed programmatically as a baseline for conditional order triggers.

Traders should monitor the confirmed starting lineups released before 2:10PM ET, as pitcher availability is the primary catalyst for volatility in single-game MLB markets [1]. Any announcement of a late pitching change or injury would immediately shift the probability, making real-time API feeds from official MLB statistics essential for automated copy-trading strategies [3]. With the settlement window ending 16 July 2026, the market remains exposed to postponement risks, requiring traders to set conditional orders that account for potential delays rather than assuming immediate resolution.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Bot 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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.