Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
75% | 25% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
75% | 25% | 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 | 75% |
| 1st 5 Innings O/U 3.5 | 61% |
| O/U 7.5 | 56% |
| Milwaukee Brewers vs. San Diego Padres | 52% |
| NRFI | 48% |
| O/U 8.5 | 48% |
| 1st 5 Innings O/U 4.5 | 48% |
| Spread -1.5 | 40% |
| O/U 9.5 | 37% |
| 1st 5 Innings O/U 5.5 | 36% |
| 1st 5 Innings Spread -1.5 | 31% |
| Spread -1.5 | 31% |
| 1st 5 Innings Spread -1.5 | 28% |
| Spread -2.5 | 28% |
| 1st 5 Innings O/U 6.5 | 26% |
| Spread -2.5 | 22% |
| Extra Innings | 8% |
Market context
The Milwaukee Brewers face the San Diego Padres on 12 August at 4:10 PM ET in a regular-season matchup that settles on-chain via USDC on 19 August. The 52% crowd probability favouring Milwaukee reflects modest confidence in the home team's prospects, with settlement contingent on official MLB final statistics. Should postponement occur, the market remains open until completion; cancellation or a tie triggers 50-50 resolution.
Historical matchup data between these franchises shows competitive balance over recent seasons, with neither team establishing decisive dominance in head-to-head records. The Brewers' home-field advantage typically carries 3–5 percentage points in win probability models, though this varies substantially based on pitching matchups and roster health. Current divisional standings and playoff positioning as of early August will influence both teams' tactical approach, particularly if either club is managing injuries or rotation depth ahead of the stretch run.
Traders should monitor roster announcements through 12 August, including confirmed starting pitchers and any late injury disclosures. Weather conditions at American Family Field in Milwaukee—temperature, wind direction, and precipitation risk—materially affect run scoring and thus game outcomes. Recent form, bullpen availability, and any trades or call-ups announced in the days preceding the fixture represent actionable catalysts. On-chain funding rates for sports derivatives and spot USDC liquidity on prediction exchanges may tighten as game time approaches, affecting entry and exit costs for positions established well in advance.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $166K.
Methodology
This page reads Milwaukee Brewers vs. San Diego Padres 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.
UK Frequently Asked Questions
- 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.
- 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.
- 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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