Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
84% | 16% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
84% | 16% | 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 |
|---|---|
| National Bank Open: Learner Tien vs Ben Shelton Set 1 O/U 8.5 | 84% |
| National Bank Open: Learner Tien vs Ben Shelton Match O/U 21.5 | 62% |
| National Bank Open: Learner Tien vs Ben Shelton Set 1 O/U 9.5 | 61% |
| National Bank Open: Learner Tien vs Ben Shelton Match O/U 22.5 | 53% |
| Completed Match | 50% |
| National Bank Open: Learner Tien vs Ben Shelton Set 2 O/U 8.5 | 50% |
| National Bank Open: Learner Tien vs Ben Shelton Set 2 O/U 9.5 | 50% |
| National Bank Open: Learner Tien vs Ben Shelton Set 2 O/U 10.5 | 50% |
| National Bank Open: Learner Tien vs Ben Shelton Match O/U 23.5 | 47% |
| National Bank Open: Learner Tien vs Ben Shelton Set 2 Winner | 44% |
| National Bank Open: Learner Tien vs Ben Shelton Total Sets: O/U 2.5 | 42% |
| National Bank Open: Learner Tien vs Ben Shelton Set Handicap +/-1.5 | 41% |
| National Bank Open: Learner Tien vs Ben Shelton Set 1 Winner | 39% |
| National Bank Open: Learner Tien vs Ben Shelton | 35% |
| National Bank Open: Learner Tien vs Ben Shelton Set 1 O/U 10.5 | 33% |
Market context
Based on real-money crowd forecasting, national bank open: learner tien vs ben shelton stands at 84% likelihood according to current market consensus. This market refers to the tennis match between Learner Tien and Ben Shelton in the National Bank Open, originally scheduled for August 12, 2026 at 7:30PM ET. This market will reso…
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 PolyGram, 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 PolyGram. 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.
- 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 PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade National Bank Open: Learner Tien vs Ben Shelton on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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