Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| Both Teams to Score | 100% |
| CA Tucumán O/U 0.5 | 100% |
| CA Sarmiento O/U 0.5 | 100% |
| CA Sarmiento O/U 1.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| CA Tucumán 2nd Half O/U 0.5 | 100% |
| CA Sarmiento 2nd Half O/U 0.5 | 100% |
| CA Sarmiento 2nd Half O/U 1.5 | 100% |
| CA Tucumán (-1.5) | 0% |
| CA Sarmiento (-1.5) | 0% |
| CA Tucumán (-2.5) | 0% |
| CA Sarmiento (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CA Tucumán O/U 1.5 | 0% |
| CA Tucumán O/U 2.5 | 0% |
| CA Sarmiento O/U 2.5 | 0% |
| CA Tucumán 1st Half O/U 0.5 | 0% |
| CA Tucumán 1st Half O/U 1.5 | 0% |
| CA Sarmiento 1st Half O/U 0.5 | 0% |
| CA Sarmiento 1st Half O/U 1.5 | 0% |
| CA Tucumán 2nd Half O/U 1.5 | 0% |
Market context
Atlético Tucumán are due to face Sarmiento in a Primera División Argentina fixture, and in a **More Markets** prediction market the YES share settles on whether at least one extra listed market appears before the deadline. In plain terms, a YES share pays out if the named event happens; a NO share pays out if it does not. With the crowd-implied probability at **0% YES**, the market is pricing in no expectation that additional markets will be posted in time, so even a small change in the event feed or market availability would matter disproportionately.
The historical lens is mixed rather than decisive. Head-to-head records are closely contested overall, with recent summaries showing Atlético Tucumán and Sarmiento trading wins and only a small number of draws across the series, while one recent meeting ended 2-1 to Sarmiento after Atlético had won 5-0 earlier in 2025[3][8][14][18]. For prediction markets, that kind of uneven but balanced record is a reminder that match outcomes and market listing activity are different things: head-to-head form can inform interest, but it does not by itself determine whether a “more markets” contract will be created or updated.
Traders should watch the official match listing, kick-off changes, and whether the competition feed posts any added propositions such as correct score, cards, or player markets before settlement. The main dependency is simple: if the fixture proceeds as scheduled and no extra market set is published, the contract remains a NO outcome; if new markets are added within the window, it flips to YES. Because the settlement window ends at 17:45 UTC on 8 August 2026, late administrative updates around line-ups, postponements, or feed outages are the practical catalysts to monitor.
Methodology
We track CA Tucumán vs. CA Sarmiento - More Markets across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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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