Chicago White Sox vs. San Francisco Giants

Platform comparison

Active sub-markets

Market context

The Chicago White Sox travel to San Francisco on 24 May for a regular-season matchup against the Giants, with first pitch at 4:05 PM ET. The prediction market currently implies a 46% probability of a White Sox victory, suggesting near-parity in expected outcomes. This stands notably lower than the typical moneyline odds available across major sportsbooks, where the White Sox have traded between −110 and −115 in recent days—implying roughly 52–53% implied probability. The divergence suggests prediction-market participants are pricing in either greater uncertainty or a slight Giants lean relative to conventional bookmaker consensus.

Historical performance between these franchises offers limited predictive power for single-game outcomes, though the White Sox enter May having struggled with consistency in 2026, whilst the Giants have shown marginal improvement in home splits. Roster depth and recent form matter considerably more than head-to-head records in May baseball, where sample sizes remain small and injury status volatile. The current 46% reading reflects genuine uncertainty rather than a strong directional view.

Traders should monitor starting pitcher announcements, which typically confirm 48–72 hours before game time. Any late-inning roster changes, weather delays affecting travel, or injury updates to key position players could shift the probability meaningfully. Recent Giants home performance and White Sox road records through late May will provide the most relevant context as the settlement window approaches.

Methodology

We track Chicago White Sox vs. San Francisco Giants 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

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.

What does it cost to trade on PolyGram?

Zero. PolyGram 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.

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.