Cleveland Guardians vs. Chicago White Sox

Platform comparison

Active sub-markets

Market context

The Cleveland Guardians and Chicago White Sox are set to clash at Rate Field in Chicago on Monday, 22 June, with the game scheduled for 7:40pm ET. In the real world, this is a standard MLB matchup, yet on Polymarket the contract currently prices the Guardians’ win at 0% YES, an extreme outlier that demands scrutiny before any USDC is deployed on the Polygon chain.

Historically, such a 0% price in MLB conditional tokens has only appeared when a team is confirmed absent due to injury, weather cancellation, or roster disqualification—not in live games with near-even moneylines. Recent odds show the Guardians as slight favourites (-112) against the White Sox (-108), with a spread of -1.5 and a total of 7.5 runs[1][5]. The White Sox are 40-26 against the spread this season as underdogs, and 22-14 straight up[3], making a 0% implied probability for the Guardians’ win inconsistent with both betting markets and on-field performance.

Traders must watch for official MLB announcements regarding game status, including postponement notices or roster updates that could alter resolution. The game is listed at 6:40pm ET on SeatGeek, though the market description cites 7:40pm ET, suggesting a possible timing discrepancy that needs verification[4]. No recent news source confirms a cancellation, but the conditional token structure means any delay keeps the market open until completion, while a full cancellation or tie resolves 50-50. Until the official final statistics are released via the primary resolution source, the 0% price remains a mechanical anomaly rather than a factual reflection of the matchup[1].

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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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'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.

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.