Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
74% | 26% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
74% | 26% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
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% |
| O/U 9.5 | 39% |
| Spread -1.5 | 38% |
| 1st 5 Innings O/U 5.5 | 36% |
| Spread -1.5 | 34% |
| 1st 5 Innings Spread -1.5 | 31% |
| Spread -2.5 | 28% |
| 1st 5 Innings Spread -1.5 | 26% |
| 1st 5 Innings O/U 6.5 | 26% |
| Spread -2.5 | 24% |
| Extra Innings | 9% |
Market context
The White Sox and Red Sox are facing a straightforward binary settlement on the scheduled MLB result: Chicago wins, Boston wins, or the market falls back to the contract’s special handling if the game is not completed. At a crowd-implied **46% YES**, the market is pricing Chicago as close to a coin-flip underdog against Boston, which is consistent with recent sportsbook-style pricing that has had Boston modestly favoured and with the teams’ uneven but not extreme overall records.[17][18]
Recent head-to-head results give Boston the sharper short-term profile. The Red Sox have already taken the recent season series in Chicago, including a 14-2 win on 5 August and earlier 8-1, 5-0 and 2-1 results in July, while AP and ESPN data show Boston entering that stretch on a strong run of wins and Chicago with a more mixed recent form.[4][7][8][9] That history matters for reading a sub-50% Chicago price: it suggests the market is not simply following season win-loss records, but is also weighing current form, pitching match-ups and the fact that Boston has recently outscored Chicago comfortably in direct meetings.[4][7]
For traders, the main catalysts are the official line-up and starting-pitcher announcements, plus any weather or schedule disruption that could push the game towards postponement and keep the contract open until completion under the settlement rules. Because this is a prediction market settled in USDC on-chain, the key practical risk is not just the baseball outcome but whether the event is played to a recognised final result, with any cancellation or tie resolved 50-50 by the contract terms. In broader crypto terms, there is no obvious BTC or ETH macro linkage here; the relevant on-chain variable is flow into the market itself, which can move sharply as late information hits the tape.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $91K.
Methodology
This page reads Chicago White Sox vs. Boston Red Sox on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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