Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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 |
|---|---|
| Completed Match | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 1 Winner | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Total Sets: O/U 2.5 | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Match O/U 21.5 | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 2 O/U 8.5 | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 2 O/U 9.5 | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Match O/U 22.5 | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 2 O/U 10.5 | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide Match O/U 23.5 | 100% |
| Iasi: Cezar Cretu vs Gustavo Heide | 0% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 1 O/U 8.5 | 0% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 2 Winner | 0% |
| Iasi: Cezar Cretu vs Gustavo Heide Set Handicap +/-1.5 | 0% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 1 O/U 9.5 | 0% |
| Iasi: Cezar Cretu vs Gustavo Heide Set Handicap +/-1.5 | 0% |
| Iasi: Cezar Cretu vs Gustavo Heide Set 1 O/U 10.5 | 0% |
Market context
The ATP Challenger Iași second-round clash between Cezar Crețu and Gustavo Heide is set to begin at 15:00 UTC today on the Centre Court in Iași, Romania, with market sentiment overwhelmingly favouring the Brazilian[1][3]. In the last 24 hours, Crețu’s decisive 6-1, 6-4 first-round victory over Alex Marti Pujolras has sharpened the focus on his clay-court resilience, yet betting models still assign Heide a 76% probability of advancing, suggesting the market views the Romanian’s recent form as insufficient against Heide’s superior ranking trajectory[3][4].
Historically, similar Iași Challenger matchups where a lower-ranked home player defeats a top-tier opponent in the first round have seen the market correct sharply only after the second-round result is confirmed, often leaving early traders exposed if they ignore the opponent’s deeper tournament experience[6][9]. Comparable cases from 2024 and 2025 show that when a market implies a near-zero chance for the home player to win, it typically reflects a lack of head-to-head data rather than a definitive performance gap, as H2H records between these two remain unestablished[9].
Traders should monitor the official ATP Challenger Iași draw updates and any weather-related delays, as Iași’s clay courts are highly sensitive to humidity and rain, which could postpone the match beyond the 7-day settlement window[1][8]. Recent coverage from Tennis.com highlights that Heide’s form has been consistent across European clay events, making him the safer bet despite Crețu’s home advantage, and any delay in the start time could trigger a 50-50 resolution if the match is not completed within the deadline[8].
Methodology
We track Iasi: Cezar Cretu vs Gustavo Heide 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.
FAQ
- 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 Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- 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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Iasi: Cezar Cretu vs Gustavo Heide on Prediction Today
Live order book, 0% fees, USDC settlement in seconds.
Open live market →