Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
97% | 3% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
97% | 3% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Chicago White Sox vs. San Francisco Giants | 97% YES | 3% NO |
| NRFI | 0% YES | 100% NO |
| Spread -1.5 | 3% YES | 97% NO |
| O/U 8.5 | 100% YES | 0% NO |
| Spread -3.5 | 0% YES | 100% NO |
| Spread -2.5 | 2% YES | 98% NO |
Market context
The Chicago White Sox travel to San Francisco on 22 May for a regular-season matchup against the Giants, with first pitch at 10:15 PM ET. This market's 98% implied probability for a White Sox victory reflects the substantial gap in 2026 standings positioning and recent form between the two franchises. Settlement occurs by 30 May, allowing for postponement recovery within the window; cancellation or a tied result would split the market 50-50.
Historical precedent suggests markets pricing one team at 98% typically embed either a significant strength differential or public-side consensus that has already priced in available information. In comparable MLB matchups between contenders and rebuilding clubs mid-season, such extreme probabilities often persist when the favoured team maintains both pitching depth and offensive consistency. The Giants' recent performance trajectory and roster composition have positioned them as clear underdogs in most May fixtures against competitive opponents.
Traders monitoring this market should track roster updates through official MLB injury reports, particularly any late-inning bullpen availability for either side. Weather conditions at Oracle Park—notably wind direction and temperature—historically affect fly-ball outcomes and can shift run-scoring patterns. Deposit flows into prediction markets typically accelerate 48 hours before settlement windows close; withdrawal rails including SEPA transfers and USDC settlement remain active throughout the resolution period, though traders should verify their chosen payment method's processing times before the 30 May deadline.
Methodology
This page reviews Chicago White Sox vs. San Francisco Giants across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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 PolyGram, 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?
- PolyGram 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram 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.
Trade Chicago White Sox vs. San Francisco Giants on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →