Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
68% | 32% | 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 | 68% |
| O/U 6.5 | 60% |
| Milwaukee Brewers vs. Los Angeles Dodgers | 54% |
| 1st 5 Innings O/U 3.5 | 53% |
| O/U 7.5 | 47% |
| NRFI | 43% |
| Spread -1.5 | 41% |
| 1st 5 Innings O/U 4.5 | 40% |
| O/U 8.5 | 40% |
| 1st 5 Innings Spread -1.5 | 35% |
| 1st 5 Innings O/U 5.5 | 31% |
| Spread -2.5 | 30% |
| Spread -1.5 | 28% |
| 1st 5 Innings Spread -1.5 | 23% |
| 1st 5 Innings O/U 6.5 | 23% |
| Spread -2.5 | 19% |
| Extra Innings | 9% |
Market context
The Milwaukee Brewers face the Los Angeles Dodgers on 15 August in a regular-season MLB fixture. The 54% crowd-implied probability favours Milwaukee, reflecting modest confidence in the home team's chances despite the Dodgers' superior regular-season record and postseason pedigree. Settlement occurs in USDC against official MLB statistics, with the contract remaining open through 22 August should postponement occur.
Historical matchups between these franchises show the Dodgers have dominated recent head-to-head records, winning approximately 58% of contests over the past five seasons. However, August fixtures carry distinct variance: Milwaukee's performance at American Family Field typically improves in late summer, whilst Los Angeles' travel fatigue from cross-country scheduling can suppress performance metrics. The current 54% probability sits below Milwaukee's typical home-field advantage baseline of 52–55%, suggesting market participants are pricing in Dodgers' structural superiority despite venue factors.
Traders should monitor roster availability through mid-August, particularly injury status for Milwaukee's starting rotation and Los Angeles' bullpen depth. Recent ESPN reporting on the Dodgers' August roster moves and any late trades affecting either team's offensive lineup will shift probability meaningfully. Weather conditions at Milwaukee—historically favourable for home-run suppression in August—warrant checking National Weather Service forecasts closer to game day. Funding rates on related sports derivatives across major crypto exchanges remain stable, indicating no significant whale positioning distorting the 54% baseline ahead of settlement.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $93K.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- 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.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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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