Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Best Prediction Markets UK.
Active sub-markets
| Chisinau: Cezar Cretu vs Stefanos Sakellaridis | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
| Chisinau: Cezar Cretu vs Stefanos Sakellaridis Set 1 Winner | 100% YES | 0% NO |
| Chisinau: Cezar Cretu vs Stefanos Sakellaridis Set 1 O/U 8.5 | 100% YES | 0% NO |
| Chisinau: Cezar Cretu vs Stefanos Sakellaridis Set 1 O/U 9.5 | 100% YES | 0% NO |
| Chisinau: Cezar Cretu vs Stefanos Sakellaridis Set 1 O/U 10.5 | 100% YES | 0% NO |
Market context
Cezar Cretu and Stefanos Sakellaridis are scheduled to meet in a tennis match in Chisinau on 31 May 2026, with the settlement window closing on 7 June. The current crowd-implied probability of 0% YES suggests either minimal trading volume or strong consensus backing Sakellaridis, though this extreme reading warrants scrutiny given the match remains five months away and both players' rankings and form remain subject to change.
Cretu, a Romanian player, and Sakellaridis, a Greek competitor, operate at the lower rungs of professional tennis where upsets and form variance are pronounced. Historical precedent from ITF and Challenger-level matches shows that pre-tournament odds often misallocate probability when one player carries home-court advantage or recent momentum. The 0% reading is atypical for a match between players of comparable ranking; sportsbooks typically assign 15–35% probability to the lower-seeded or less-favoured player even in lopsided matchups. This divergence between prediction-market consensus and conventional odds-setting suggests either incomplete information flow to the market or a structural liquidity problem.
Traders should monitor both players' results through spring 2026, particularly performances at Challenger events in Eastern Europe where surface conditions and travel logistics may favour one competitor. Any ranking shifts, injury announcements, or late withdrawal from the Chisinau event would trigger resolution conditions. The 7-day delay clause creates additional settlement risk; weather disruptions or scheduling conflicts common to lower-tier tournaments could force a 50-50 resolution despite a match being scheduled.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets UK, which mirrors the Polymarket order book directly.
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.
FAQ
- Where can I trade this market with the lowest fees?
- On Best Prediction Markets UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets UK triggers a quick verification flow that finishes in minutes.
Trade Chisinau: Cezar Cretu vs Stefanos Sakellaridis on Best Prediction Markets UK
Live order book, 0% fees, USDC settlement in seconds.
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