Chicago White Sox vs. Detroit Tigers

Platform comparison

Active sub-markets

Market context

The White Sox lost 4-1 to Detroit last night, so the market has already moved through one game in the series and is now pricing the rematch with that recent result in view. ESPN’s live game listing also shows Detroit as a modest moneyline favourite for the June 21 fixture, which is consistent with an 8% YES price on Chicago rather than a close to even contest.[1][2]

That kind of low single-digit probability usually reflects a combination of venue, team strength and the market’s reluctance to pay up for an underdog without a clear pitching or lineup edge. MLB.com’s preview page has the game at Comerica Park and lists Detroit as the home side, while theScore’s matchup page points to stronger run prevention numbers for Chicago but a worse overall record for Detroit’s side of the ledger, underlining how these markets can stay low even when one team has shown some statistical competence.[5][6]

For traders, the main catalyst is the confirmed line-up and any late pitching change, because MLB pregame markets can move sharply once the starting assignment is locked in. The other variable is weather or scheduling disruption: if the game is delayed, postponed or split by a cancellation ruling, the settlement rules matter more than the scoreline itself, so monitoring the official game status through MLB and the broadcaster remains the key live dependency.[5]

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Prediction Today, 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?

Prediction Today 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.

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, Prediction Today triggers a quick verification flow that finishes in minutes.