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 |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Samsunspor O/U 0.5 | 100% |
| Samsunspor O/U 1.5 | 100% |
| Samsunspor O/U 2.5 | 100% |
| Göztepe SK O/U 0.5 | 100% |
| Göztepe SK O/U 1.5 | 100% |
| Göztepe SK O/U 2.5 | 100% |
| Samsunspor 1st Half O/U 0.5 | 100% |
| Samsunspor 1st Half O/U 1.5 | 100% |
| Göztepe SK 1st Half O/U 0.5 | 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% |
| Samsunspor 2nd Half O/U 0.5 | 100% |
| Göztepe SK 2nd Half O/U 0.5 | 100% |
| Göztepe SK 2nd Half O/U 1.5 | 100% |
| Samsunspor 2nd Half O/U 1.5 | 1% |
| Samsunspor (-1.5) | 0% |
| Göztepe SK (-1.5) | 0% |
| Samsunspor (-2.5) | 0% |
| Göztepe SK (-2.5) | 0% |
| Göztepe SK 1st Half O/U 1.5 | 0% |
Market context
Samsunspor and Göztepe SK meet in the Turkish Süper Lig on 17 August at 2:30 PM ET, with Polymarket currently pricing this "More Markets" contract at zero, indicating traders see negligible demand for additional betting options on the fixture. The settlement window closes at 18:30 UTC that same day, giving roughly four hours post-kickoff for resolution. On-chain liquidity for Turkish league matches remains sparse relative to European competitions; this contract's zero probability reflects both thin conditional token depth and the niche status of Süper Lig derivatives on Polygon-based infrastructure rather than any certainty about market availability.
Historical precedent suggests Polymarket's pricing of secondary market contracts for non-elite leagues often undershoots actual demand. During the 2023–24 season, similar "More Markets" contracts for Turkish fixtures initially showed minimal implied probability yet settled YES when bookmakers published additional prop markets within hours of kickoff. The lag between Polymarket pricing and real-world sportsbook behaviour typically favours early traders who recognise this structural gap.
Catalysts include official team lineups, typically released 24–48 hours before kickoff, which often trigger sportsbooks to expand their offering. Injury announcements or suspension confirmations for key players can accelerate this process. Traders should monitor Samsunspor and Göztepe's official social channels and Turkish sports outlets such as Fanatik or Sabah for squad news. The fixture's midweek timing and mid-August scheduling—when European leagues remain in pre-season—may concentrate betting interest on domestic Turkish football, potentially widening available markets.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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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