Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
80% | 20% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
80% | 20% | 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 |
|---|---|
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 1 O/U 8.5 | 80% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Match O/U 21.5 | 63% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 1 O/U 9.5 | 59% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Match O/U 22.5 | 56% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe | 54% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 2 Winner | 52% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 1 Winner | 52% |
| Completed Match | 50% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 2 O/U 10.5 | 50% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Match O/U 23.5 | 50% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Total Sets: O/U 2.5 | 45% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set 1 O/U 10.5 | 33% |
| Cincinnati Open: Learner Tien vs Frances Tiafoe Set Handicap +/-1.5 | 31% |
Market context
Market consensus: 80% chance of cincinnati open: learner tien vs frances tiafoe. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Learner Tien and Frances Tiafoe in the Cincinnati Open, originally scheduled for August 18, 2026 at 10:00AM ET. This market will res…
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
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?
- 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.
- 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.
Trade Cincinnati Open: Learner Tien vs Frances Tiafoe on Kalshi vs Polymarket
Live order book, 0% fees, USDC settlement in seconds.
Open live market →