Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu | 100% |
| Completed Match | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 1 O/U 8.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 1 Winner | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 2 Winner | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 2 O/U 8.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Match O/U 21.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 1 O/U 9.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set Handicap +/-1.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 2 O/U 9.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 1 O/U 10.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Total Sets: O/U 2.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Match O/U 22.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set Handicap +/-1.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Set 2 O/U 10.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Bianca Andreescu Match O/U 23.5 | 0% |
Market context
Market consensus: 100% chance of national bank open: nikola bartunkova vs bianca andreescu. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Nikola Bartunkova and Bianca Andreescu in the National Bank Open, originally scheduled for August 3, 2026 at 10:00AM ET. This market…
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 Polymarket Bot UK, 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 Polymarket Bot UK. 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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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 Polymarket Bot UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade National Bank Open: Nikola Bartunkova vs Bianca Andr… on Polymarket Bot UK
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