Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
64% | 36% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
64% | 36% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Match O/U 22.5 | 64% |
| Completed Match | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 1 O/U 8.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 2 O/U 8.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 1 O/U 9.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Match O/U 21.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 2 O/U 9.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 2 O/U 10.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Match O/U 23.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 1 O/U 10.5 | 50% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 1 Winner | 42% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Total Sets: O/U 2.5 | 42% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set 2 Winner | 38% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set Handicap +/-1.5 | 38% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges | 33% |
| Canadian Open: Aleksandar Kovacevic vs Nuno Borges Set Handicap +/-1.5 | 16% |
Market context
Aleksandar Kovacevic and Nuno Borges are still set to play a first-round hard-court match in Montreal, and the market has drifted to a 33% chance of Kovacevic advancing. The current price is modestly shaped by Borges’ higher ranking and more stable ATP-level profile, but not by a one-sided head-to-head: Kovacevic won their only previous meeting, a straight-sets Challenger match in Shenzhen in 2023.[1][7][19]
That combination explains why the market is not treating Borges as a lock. Borges is the more established player on tour, yet the earlier meeting gives Kovacevic a plausible upset case if he serves well and keeps the rallies short on a quick North American hard court. Recent preview coverage has also leaned towards Borges, while still noting that the lone prior matchup went Kovacevic’s way.[18][19][20]
The main near-term catalysts are straightforward: whether the match stays on the published schedule, whether it is moved on court order, and whether either player withdraws before start time. Live score listings currently show the fixture in the opening round window, but the event has had some timing inconsistencies across listings, so traders will care most about official order-of-play updates and any late tournament notes before the settlement window closes on 10 August.[4][12][17]
Methodology
This page reviews Canadian Open: Aleksandar Kovacevic vs Nuno Borges across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- 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'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 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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