Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| CA Sarmiento O/U 0.5 | 100% |
| CA Sarmiento 1st Half O/U 0.5 | 100% |
| O/U 1.5 | 80% |
| CA Sarmiento O/U 1.5 | 51% |
| CA Huracán O/U 1.5 | 51% |
| Both Teams to Score in Second Half | 51% |
| CA Sarmiento O/U 2.5 | 50% |
| CA Huracán O/U 0.5 | 50% |
| CA Huracán O/U 2.5 | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| CA Sarmiento 2nd Half O/U 0.5 | 50% |
| CA Sarmiento 2nd Half O/U 1.5 | 50% |
| CA Huracán 2nd Half O/U 0.5 | 50% |
| CA Huracán 2nd Half O/U 1.5 | 50% |
| Both Teams to Score | 49% |
| CA Sarmiento (-1.5) | 41% |
| CA Huracán (-1.5) | 34% |
| O/U 2.5 | 32% |
| O/U 4.5 | 32% |
| O/U 3.5 | 22% |
| CA Sarmiento (-2.5) | 17% |
| Both Teams to Score in First Half | 1% |
| 1st Half O/U 2.5 | 1% |
| CA Sarmiento 1st Half O/U 1.5 | 1% |
| CA Huracán (-2.5) | 0% |
| O/U 5.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| CA Huracán 1st Half O/U 0.5 | 0% |
| CA Huracán 1st Half O/U 1.5 | 0% |
Market context
CA Sarmiento will face CA Huracán in a Primera División Argentina fixture on 16 August at 14:00 ET. The market currently prices a YES outcome—likely a Sarmiento victory or draw—at 41%, implying Huracán favouritism or a draw-heavy expectation. Settlement will occur in USDC on the btc-prediction.bet platform, with the window closing at 18:00 UTC on match day, allowing roughly four hours post-kick-off for final confirmation and on-chain settlement.
Sarmiento's recent form and league position relative to Huracán's trajectory provide the baseline for interpreting the 41% probability. Historically, Argentine domestic fixtures between mid-table sides show high variance; neither club has dominated the fixture record decisively. The current implied probability suggests traders view Huracán as slight favourites or expect a draw outcome with material weight. Comparable markets on Argentine league matches have typically reflected home-field advantage and recent goal-scoring patterns more heavily than pre-match odds alone.
Traders should monitor team news and injury updates through 15 August, as late squad changes frequently shift Argentine league markets. Fixture congestion—both clubs may have midweek commitments—can affect player availability and tactical setup. USDC funding rates on btc-prediction.bet and broader crypto market volatility on 16 August may influence retail participation flows, though the underlying match outcome remains independent of macro BTC/ETH movements. Official team lineups, typically released 24 hours before kick-off, will be the final material catalyst for position adjustments.
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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