Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Nuno Borges vs Luciano Darderi Set 1 O/U 8.5 | 100% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set 1 Winner | 100% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set 1 O/U 9.5 | 100% |
| National Bank Open: Nuno Borges vs Luciano Darderi Match O/U 23.5 | 91% |
| National Bank Open: Nuno Borges vs Luciano Darderi Total Sets: O/U 2.5 | 90% |
| National Bank Open: Nuno Borges vs Luciano Darderi Match O/U 21.5 | 75% |
| National Bank Open: Nuno Borges vs Luciano Darderi Match O/U 22.5 | 75% |
| National Bank Open: Nuno Borges vs Luciano Darderi | 62% |
| Completed Match | 50% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set 2 O/U 8.5 | 50% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set 2 O/U 9.5 | 50% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set 2 O/U 10.5 | 50% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set Handicap +/-1.5 | 11% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set 2 Winner | 9% |
| National Bank Open: Nuno Borges vs Luciano Darderi Set 1 O/U 10.5 | 0% |
Market context
Polymarket is pricing this contract at **63% YES** on USDC settled through Polygon conditional tokens, so the market is leaning towards **Nuno Borges** advancing but not by a wide margin. With the match shown as upcoming on the tournament’s own results page and live scoreboards still at 0-0, the price is best read as a pre-match view of Borges as the slight favourite rather than a firm conviction about the result.[1][2][3]
The historical frame is mixed but useful. Borges has the stronger overall head-to-head edge, with several sources listing him ahead in the series, including 3-1 in one summary and 2-1 in another depending on which matches are counted, while Darderi won their most recent meeting in Bastad in July in straight sets.[5][11][16] That split matters for a Polymarket user because this is a binary advance contract, not a set-betting market: only who progresses counts, while a cancellation, no-contest, or delay beyond seven days pushes the outcome to 50-50 under the market rules.
The main catalysts are the official match status, the actual start time, and any ATP or tournament scheduling changes if weather or court overruns intervene. The National Bank Open listing had the pairing on Centre Court and the tournament results page showed no completed points at publication, so any late withdrawal, suspension, or rescheduling would matter more here than the pre-match stat line.[1][4] Recent match-level form also cuts both ways: Borges reached this matchup by beating Hanfmann in straight sets, while Darderi had already shown he can beat Borges on a similar surface in July, which keeps the contract sensitive to draw timing and the first set rather than reputation alone.[7][16]
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
- 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'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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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