Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
74% | 26% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
74% | 26% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 74% |
| 1st 5 Innings O/U 3.5 | 60% |
| O/U 7.5 | 56% |
| O/U 8.5 | 49% |
| 1st 5 Innings O/U 4.5 | 47% |
| Chicago White Sox vs. Boston Red Sox | 46% |
| NRFI | 46% |
| Spread -1.5 | 38% |
| O/U 9.5 | 38% |
| 1st 5 Innings O/U 5.5 | 35% |
| Spread -1.5 | 34% |
| 1st 5 Innings Spread -1.5 | 31% |
| Spread -2.5 | 28% |
| 1st 5 Innings Spread -1.5 | 27% |
| 1st 5 Innings O/U 6.5 | 25% |
| Spread -2.5 | 24% |
| Extra Innings | 9% |
Market context
Polymarket is pricing Chicago White Sox vs. Boston Red Sox at **46% YES** on the White Sox side, which implies a narrow lean against Chicago with Boston effectively favoured on the contract. On Polymarket, traders are buying and selling **USDC** exposure through **Polygon**-based conditional tokens, so the quoted price is the market’s live probability rather than a sportsbook line.
The recent comparison point is the pair’s immediate form: Boston just beat Chicago **14-2** on Tuesday and has won **six straight**, while the White Sox have been more uneven over the same stretch.[2][5] Earlier meetings also tilted Boston’s way, including a **5-0** win in July and a **2-1** win in another July matchup, which gives the current price some support even though MLB games remain highly sensitive to starting pitching and bullpen usage.[6][8] For a Polymarket user, that means the contract is less about season-long records in isolation and more about whether the Red Sox’s recent run of run production carries into this specific slate.
The main catalysts are line-ups, probable pitchers, and any schedule change before first pitch, because postponement keeps the market open until completion and cancellation or a tie resolves **50-50** under the market rules. ESPN currently lists the game for **Aug. 6** with Boston at home, while the market description says **Aug. 5 at 7:10PM ET**, so traders should watch for the official MLB game page and any rescheduling updates rather than relying on a single listing.[1] Recent coverage from AP and local reporting has emphasised Boston’s power surge and Chicago’s heavy defeat, which are the kinds of late informational inputs that can move a low-liquidity prediction contract quickly.[2][5]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $91K.
Methodology
This page reviews Chicago White Sox vs. Boston Red Sox across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Scam?, which mirrors the Polymarket order book at 0% fees.
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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Scam? trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Chicago White Sox vs. Boston Red Sox on Polymarket Scam?
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