Chicago White Sox vs. Detroit Tigers

Platform comparison

Active sub-markets

Market context

Polymarket is pricing the Chicago White Sox at **22% YES** on USDC-settled conditional tokens on Polygon, so the contract is trading as a clear underdog position for Chicago rather than a coin-flip. The real-world event is the June 20 MLB game in Detroit, with the market resolving on the official final result; if the game is postponed it stays open until completion, while a cancelled game or tie resolves 50-50 under the market rules.

That 22% sits below most conventional pre-game baseball views in the source set. FanDuel’s research page, which cites numberFire, has Chicago winning at **53.7%**, while other market screens show Detroit favoured on the moneyline at roughly **-118 to -125** and Chicago around **+100 to +105**. Recent form data is mixed rather than decisive: one slate lists the White Sox at **39-35** and the Tigers at **31-44**, while another notes Detroit’s recent dip, with the Tigers **2-3 in their last five** and **15-25 on the road**. For Polymarket users, that gap between a low on-chain price and more conventional pre-match pricing is the main context: the contract is still asking the trader to buy a Chicago upset, not a routine home-win outcome.

The practical catalysts are straightforward: line-up confirmation, any late pitching or scratch news, and whether the game is completed on schedule. ESPN’s game listing already frames this as a live pre-game contest, and the market only settles after the official final statistics are posted, so postponement risk matters if weather or venue issues arise. If the game is delayed or moved, the conditional token still tracks the eventual result; if it is abandoned without a make-up or ends in a tie, the market’s 50-50 fallback applies, which is relevant when pricing a low-probability YES at the current crowd level.

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.

Is this market available outside the US?

Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 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.