Chicago White Sox vs. Detroit Tigers

Platform comparison

Active sub-markets

Market context

The game is set for Comerica Park with a 6:40 p.m. ET first pitch, and the market’s 80% Chicago White Sox lean has held into matchday even though Detroit is the home favourite on the betting board.[1][3] For a sportsbook-style read, that price gap implies the Tigers are materially more likely to win, so the crowd-implied probability is pointing to an upset relative to the market’s baseline.[1]

Recent form gives the White Sox the cleaner frame for how to read this number. Chicago enter at 39-34 and first in the AL Central, while Detroit are 30-44 and fifth, which is why a White Sox win would not be a pure longshot in standings terms despite the road setting.[1] Comparable MLB moneyline positions around a home side at roughly -237 usually translate to a strong favourite, so an 80% YES price on Chicago suggests the market is pricing in either lineup confidence or a belief that Detroit’s edge is overstated by the odds.[1]

For traders, the main catalysts are the final line-ups, any late pitching change, and whether the game starts on time, because postponement keeps the market open until completion while a cancellation or tie would force a 50-50 outcome.[2] The scheduled start has been listed consistently across live score and watch guides, so the key now is whether pre-game team news shifts the balance before first pitch.[1][3][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Chicago White Sox vs. Detroit Tigers on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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 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.

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.

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.