Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| CA Sarmiento (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| CA Sarmiento O/U 0.5 | 100% |
| CA Sarmiento O/U 1.5 | 100% |
| CA Sarmiento 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| CA Sarmiento 2nd Half O/U 0.5 | 100% |
| CA Huracán (-1.5) | 0% |
| CA Sarmiento (-2.5) | 0% |
| CA Huracán (-2.5) | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CA Sarmiento O/U 2.5 | 0% |
| CA Huracán O/U 0.5 | 0% |
| CA Huracán O/U 1.5 | 0% |
| CA Huracán O/U 2.5 | 0% |
| CA Sarmiento 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% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| CA Sarmiento 2nd Half O/U 1.5 | 0% |
| CA Huracán 2nd Half O/U 0.5 | 0% |
| CA Huracán 2nd Half O/U 1.5 | 0% |
Market context
CA Sarmiento will face CA Huracán in the Argentine Primera División on 16 August 2026, with kickoff scheduled for 14:00 ET. The market currently trades at 100% YES on Polygon, reflecting full certainty that additional betting markets will be created for this fixture. On Polymarket, conditional tokens denominated in USDC settle based on whether supplementary markets—beyond the standard match outcome contracts—materialise before the settlement window closes at 18:00 ET on match day.
Historical precedent suggests that fixture-level market expansion on Polymarket correlates strongly with liquidity thresholds and user demand. Comparable Primera División matchups in 2024 and 2025 saw secondary markets (including handicap spreads, goal-scorer props, and half-time outcomes) deployed within 48 hours of the primary contract launch. The 100% probability reflects this consistent pattern: Sarmiento–Huracán carries sufficient profile within the Argentine league ecosystem to justify market proliferation, particularly given both clubs' mid-table positioning and the fixture's mid-season timing.
Traders should monitor Polymarket's official fixture calendar and the platform's market creation announcements in the week preceding 16 August. Conditional token mechanics mean settlement hinges entirely on whether Polymarket's market operators deploy additional contracts, not on match performance. Any announcement of fixture postponement or scheduling changes would directly affect the probability, though the Argentine fixture list remains stable. The current 100% reading reflects high confidence in operational execution rather than speculative pricing.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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