Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
74% | 26% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
74% | 26% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this 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 | 61% |
| O/U 7.5 | 55% |
| NRFI | 50% |
| O/U 8.5 | 48% |
| 1st 5 Innings O/U 4.5 | 48% |
| Minnesota Twins vs. Milwaukee Brewers | 44% |
| Spread -1.5 | 40% |
| 1st 5 Innings O/U 5.5 | 36% |
| O/U 9.5 | 36% |
| 1st 5 Innings Spread -1.5 | 33% |
| Spread -1.5 | 31% |
| Spread -2.5 | 29% |
| 1st 5 Innings Spread -1.5 | 27% |
| 1st 5 Innings O/U 6.5 | 25% |
| Spread -2.5 | 22% |
| Extra Innings | 8% |
Market context
Polymarket’s contract is trading at **44% YES**, which puts the market slightly below even money on a Minnesota Twins win against the Milwaukee Brewers. On Polymarket, that price is paid in **USDC** and reflected through **conditional tokens** on **Polygon**, so the contract’s mark is a live read on crowd expectations rather than a view of the underlying game in the abstract.
The number sits against a recent run of split results in this matchup. The Twins beat the Brewers **8-6 on Friday night** after erasing a four-run deficit, while the Brewers had also taken wins in earlier meetings this season, including a **5-2** result in May and a **3-2** win the day before that. Recent head-to-head data also points to a long-standing edge for Milwaukee overall, with the Brewers leading the last 20 meetings **13-7**. That mix of recent Twins momentum and broader Brewers success helps explain why the market is not priced close to a coin flip.
For traders, the practical catalysts are the usual ones that can still move a same-day baseball market: confirmed starting pitchers, line-up cards, late scratches, and any weather or schedule changes that affect whether the game starts on time or is delayed. Because this market remains open if the game is postponed, the main binary risk is not just which club wins, but whether the contest is completed before the settlement window closes on the contract. If the game is washed out entirely, or ends tied, the market resolves **50-50** under the stated rules.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $100K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
UK Frequently Asked Questions
- 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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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