Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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 |
|---|---|
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 1 O/U 8.5 | 100% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 1 O/U 9.5 | 100% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Match O/U 21.5 | 75% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 2 Winner | 71% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Match O/U 23.5 | 70% |
| Completed Match | 50% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 2 O/U 8.5 | 50% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Total Sets: O/U 2.5 | 50% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Match O/U 22.5 | 50% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 2 O/U 9.5 | 50% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set Handicap +/-1.5 | 50% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 2 O/U 10.5 | 50% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic | 44% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set Handicap +/-1.5 | 25% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 1 Winner | 0% |
| National Bank Open: Michael Zheng vs Miomir Kecmanovic Set 1 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, national bank open: michael zheng vs miomir kecmanovic stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Michael Zheng and Miomir Kecmanovic in the National Bank Open, originally scheduled for August 2, 2026 at 11:00AM ET. This market wi…
Methodology
We track National Bank Open: Michael Zheng vs Miomir Kecmanovic 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Who Will Win. 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade National Bank Open: Michael Zheng vs Miomir Kecmanovic on Who Will Win
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