Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
50% | 50% | 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 | 50% YES | 51% NO |
| NRFI | 53% YES | 48% NO |
| Spread -1.5 | 35% YES | 66% NO |
| O/U 8.5 | 53% YES | 48% NO |
| O/U 10.5 | 35% YES | 66% NO |
| O/U 11.5 | 25% YES | 76% NO |
Market context
The Chicago White Sox travel to San Francisco on 23 May for an afternoon fixture against the Giants, with Polymarket currently pricing the White Sox victory at 49% on USDC via Polygon's conditional token infrastructure. The settlement window extends to 30 May at 20:05 UTC, allowing for postponements common in late May baseball when weather occasionally disrupts the schedule. Resolution hinges on official MLB final statistics; any cancellation without a make-up game or tied result triggers a 50-50 split.
Historical matchups between these franchises offer limited predictive power for single-game outcomes, but 2024 season performance provides context. The White Sox have struggled considerably, whilst the Giants occupy middle ground in the National League West standings. Polymarket's near-even split reflects genuine uncertainty rather than strong directional conviction from the trading crowd, suggesting neither team enters as a pronounced favourite in the broader market's assessment.
Traders should monitor roster availability in the days preceding the fixture, particularly starting pitcher assignments which materially shift win probability in baseball markets. Recent injury reports from both organisations and any late-inning bullpen developments could shift the conditional token pricing meaningfully. Weather forecasts for San Francisco on 23 May warrant attention given the settlement window's postponement clause; fog or wind patterns occasionally affect play at Oracle Park. Line movement on traditional sportsbooks may precede Polymarket repricing, offering arbitrage signals for active traders monitoring cross-venue discrepancies.
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
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
- 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.
- 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.
- 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, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Chicago White Sox vs. San Francisco Giants on PolyGram
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