Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
0% | 100% | 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 |
|---|---|
| Olympiakós SFP (-1.5) | 0% |
| NEC (-1.5) | 0% |
| Olympiakós SFP (-2.5) | 0% |
| NEC (-2.5) | 0% |
| O/U 0.5 | 0% |
| O/U 1.5 | 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 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Olympiakós SFP O/U 0.5 | 0% |
| Olympiakós SFP O/U 1.5 | 0% |
| Olympiakós SFP O/U 2.5 | 0% |
| NEC O/U 0.5 | 0% |
| NEC O/U 1.5 | 0% |
| NEC O/U 2.5 | 0% |
| Olympiakós SFP 1st Half O/U 0.5 | 0% |
| Olympiakós SFP 1st Half O/U 1.5 | 0% |
| NEC 1st Half O/U 0.5 | 0% |
| NEC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Olympiakós SFP 2nd Half O/U 0.5 | 0% |
| Olympiakós SFP 2nd Half O/U 1.5 | 0% |
| NEC 2nd Half O/U 0.5 | 0% |
| NEC 2nd Half O/U 1.5 | 0% |
Market context
Olympiakós SFP vs NEC was priced at **0% YES** on Polymarket, which means the market was effectively saying there was no live path to a positive settlement in the “More Markets” contract at the time of pricing. On Polymarket, this is a conditional-token position settled in USDC on Polygon, so the price reflects what traders believe will happen by the market’s resolution rules, not just the football scoreline in the abstract.[6]
For context, the comparable on-pitch evidence was thin but pointed one way: Olympiakós had already drawn 0-0 with NEC in this tie, and one recent report noted 25 total shots but identical expected-goals figures of 0.00 for both sides.[7] The wider head-to-head sample was also very small, with only a documented 2-0 Olympiakós friendly win in 2024 before this qualifying meeting.[8][14] In a market like this, a 0% print usually signals that traders see the remaining permutations as either exhausted or overwhelmingly settled against the YES side.
The main catalysts to watch are official competition updates: confirmation that the match has been completed, any postponement notice, and the exact settlement wording on whether “More Markets” maps to a first-scorer, moneyline, total-goals, or another sub-market outcome.[6] The fixture itself was scheduled for 4 August at Karaiskakis Stadium, with the second leg listed for 11 August in Nijmegen, so traders also had to watch whether the contract depended on the first leg alone or on the full two-leg tie.[3][11] Where there is a delay, suspended trading, or a changed completion date, the on-chain resolution mechanics matter more than the pre-match narrative.[6]
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
- 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%.
Trade Olympiakós SFP vs. NEC - More Markets on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →