Cleveland Guardians vs. Chicago White Sox

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Active sub-markets

Market context

An MLB game between the Cleveland Guardians and Chicago White Sox is scheduled for tonight at 7:40PM ET in Chicago, with the market resolving on which team wins the contest. The Guardians are favoured by moneyline odds of -112 against the White Sox at -108, while the spread projects a Guardians win by 1.5 runs[1]. Historical precedents in AL Central matchups show that when the favourite holds a moneyline edge under -115, the implied win probability typically aligns within 5–8% of the market price, suggesting the current 38% YES figure for the Guardians may reflect an underestimation of their form[3].

Traders should monitor the final pitching announcements and any late injury updates, as the White Sox lead the series 1–0 and momentum often shifts with starting pitcher performance[6]. Recent data from Covers projects a narrow final score of 3.86–3.49, indicating a tight contest where a single defensive error could decide the outcome[4]. The over/under is set at 7 runs, meaning a low-scoring game increases the likelihood of a one-run margin, which historically correlates with higher volatility in win probabilities[2].

From a regulatory standpoint, German GlüStV implications and US CFTC reach define the compliance framework for this market, while the 'no-KYC up to $1,500' threshold enhances accessibility for retail participants without triggering identity verification. This specific market remains open if postponed and resolves 50–50 only if cancelled entirely or tied, ensuring clarity in settlement. The accessibility model allows traders to engage directly within the $1,500 limit, bypassing KYC hurdles while maintaining adherence to cross-border regulatory standards.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

Where can I trade this market with the lowest fees?

On Polymarket Tax 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Tax 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.