Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Match O/U 21.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 2 O/U 9.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Match O/U 22.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 1 O/U 9.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 2 O/U 10.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Match O/U 23.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 1 O/U 10.5 | 100% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci | 0% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 2 Winner | 0% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set 1 Winner | 0% |
| Cincinnati Open: Zachary Svajda vs Mattia Bellucci Set Handicap +/-1.5 | 0% |
Market context
Zachary Svajda and Mattia Bellucci are scheduled to meet in the Cincinnati Open men's draw on 13 August 2026. The market currently shows zero implied probability for Svajda's advancement, suggesting either exceptionally strong consensus around Bellucci's superiority or insufficient liquidity to establish a meaningful line. The settlement window extends to 20 August, allowing seven days for the match to conclude; any cancellation, tie, or unresolved outcome beyond that window triggers a 50-50 split.
Svajda, an American ranked outside the top 100 for much of his career, has shown inconsistent results on hard courts despite occasional ATP-level appearances. Bellucci, an Italian player, has competed primarily on the Challenger circuit with limited ATP exposure. Historical precedent suggests that when prediction markets price a player at zero per cent, it typically reflects either a substantial ranking gap or recent form divergence rather than absolute certainty. Comparable lower-tier ATP matchups at Masters 1000 events have occasionally resolved against the heavily favoured player when the underdog enters with momentum or favourable conditions.
Traders should monitor official ATP draw confirmations and any late withdrawals, as Cincinnati occasionally sees roster changes due to injury or scheduling conflicts. Recent ATP injury reports and Challenger circuit results through early August will provide the most current form indicators. Sportsbook lines, where available, may diverge from the current zero per cent prediction-market reading; traditional bookmakers often assign non-zero probabilities to significant underdogs to manage liability, creating potential arbitrage signals for informed traders.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi vs Polymarket, which mirrors the Polymarket order book directly.
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 Kalshi vs Polymarket. 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi vs Polymarket trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Cincinnati Open: Zachary Svajda vs Mattia Bellucci on Kalshi vs Polymarket
Live order book, 0% fees, USDC settlement in seconds.
Open live market →