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% |
| 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
CA Tucumán face CA Sarmiento in the Primera División Argentina at 1:45 PM ET, and the market’s **0% YES** on “More Markets” implies traders currently expect no additional conditional outcomes to resolve there. That reading is consistent with the main head-to-head price, where Polymarket shows Sarmiento at 100¢ and Tucumán at 0¢ on the moneyline, leaving little room for a late re-pricing unless fresh team news shifts the base match assumptions.[1][3]
Comparable pre-match data also points to a relatively narrow, low-scoring contest rather than a volatile one. Recent bookmaker and model outputs have generally favoured Tucumán at home in the 51-56% range for the match result, while H2H and xG-style pages cluster around modest goal totals and draw-heavy distributions, which usually makes “more markets” baskets sensitive to whether the exchange lists extras such as goals, cards, or both teams to score rather than the winner itself.[6][8][13] Earlier comparable pricing on a Tucumán-Sarmiento fixture also sat close to a standard 1x2 profile, with no evidence in the available data of a market structure that typically generates late ancillary additions.[2][5]
For traders, the key catalysts are the final line-up release, any schedule change close to kick-off, and whether the exchange adds or voids ancillary contracts before the settlement window closes at 17:45 UTC. On-chain, the practical issue is whether USDC liquidity on the venue remains deep enough for last-minute order flow to move the quote; on the broader crypto side, BTC and ETH spot strength or weakness only matters here if it feeds into risk appetite and funding-sensitive positioning across prediction markets. With the current price already pinned to 0% YES, the most relevant watchpoint is not match direction but contract mechanics: a new market listing, a suspension, or a feed update that changes which sub-markets are deemed official.
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
- 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.
- 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.
- 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%.
Trade CA Tucumán vs. CA Sarmiento - More Markets on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →