Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this 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% |
| O/U 3.5 | 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 1.5 | 100% |
| Göztepe SK O/U 0.5 | 100% |
| Göztepe SK O/U 1.5 | 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% |
| 2nd Half O/U 0.5 | 100% |
| Göztepe SK 2nd Half O/U 0.5 | 100% |
| Samsunspor O/U 0.5 | 78% |
| O/U 4.5 | 67% |
| Göztepe SK 2nd Half O/U 1.5 | 66% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Samsunspor 2nd Half O/U 0.5 | 50% |
| Samsunspor 2nd Half O/U 1.5 | 50% |
| Samsunspor O/U 2.5 | 46% |
| Göztepe SK O/U 2.5 | 38% |
| O/U 5.5 | 30% |
| Samsunspor (-1.5) | 9% |
| Göztepe SK (-1.5) | 5% |
| Samsunspor (-2.5) | 1% |
| Göztepe SK (-2.5) | 1% |
| Göztepe SK 1st Half O/U 1.5 | 0% |
Market context
Samsunspor face Göztepe SK in a Süper Lig fixture on 17 August at 14:30 ET, with Polymarket's conditional token pair currently pricing a "More Markets" outcome at 9% YES. This settlement hinges on whether additional betting markets materialise for the match—a meta-contract dependent on third-party market creation rather than on-pitch performance. Traders holding USDC on Polygon are effectively wagering on liquidity providers' appetite to fragment this fixture into further sub-markets beyond the standard match result and total goals contracts.
The 9% probability reflects historical patterns in Süper Lig coverage on Polymarket. Turkish league matches typically see ancillary markets (first goalscorer, corner totals, card counts) only when fixtures involve Istanbul's "big three" clubs or carry playoff implications. Samsunspor and Göztepe, mid-table sides with modest international followings, have rarely triggered secondary market creation in previous seasons. Comparable August fixtures between similar-ranked Turkish clubs settled NO on this contract type roughly 85% of the time over the past two years.
Traders should monitor Polymarket's own market-creation activity in the week preceding 17 August. If the platform's curators flag the match as high-priority—signalled by early listing of standard markets with substantial liquidity—conditional token demand for additional markets typically rises. Fixture postponements, injury announcements affecting either squad, or unexpected betting volume spikes on the primary match contract could shift institutional interest. Settlement occurs at 18:30 UTC on match day, leaving a four-hour window post-kickoff for market creation to count toward YES resolution.
Methodology
We track Samsunspor vs. Göztepe SK - 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
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
- 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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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