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 | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 1 O/U 8.5 | 100% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 2 O/U 8.5 | 100% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 2 O/U 9.5 | 100% |
| National Bank Open: Iva Jovic vs Alina Korneeva | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 1 Winner | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 2 Winner | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Total Sets: O/U 2.5 | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set Handicap +/-1.5 | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Match O/U 21.5 | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 1 O/U 9.5 | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Match O/U 22.5 | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 1 O/U 10.5 | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Set 2 O/U 10.5 | 0% |
| National Bank Open: Iva Jovic vs Alina Korneeva Match O/U 23.5 | 0% |
Market context
Iva Jovic is the clear market favourite against Alina Korneeva in Toronto, and the current **0% YES** on the contract looks far below the rest of the pricing stack. Tennis data services put Jovic around an **86%** win chance on Elo-style modelling, while Tennis Tonic’s match preview lists opening odds of **1.38** for Jovic and **3.04** for Korneeva, which translates to roughly a two-thirds favourite in bookmaker terms after margin. That is still materially above a zero-implied prediction-market price, so the contract is trading at a discount to both sportsbook and model consensus rather than reflecting a balanced match-up.[1][12]
The historical frame also leans towards Jovic. She is higher ranked, has the stronger 2026 hard-court record, and the two have no tour-level head-to-head to complicate the read-through.[7][1][15] Jovic’s hard-court profile is particularly relevant in Toronto: String Tension shows her ahead on overall Elo and hard-court Elo, with better season serve and return numbers, including a higher first-serve points won rate and return points won rate.[1] Korneeva is not without a case — some comparison sites show solid recent form and respectable hard-court results — but the broader statistical consensus still points to Jovic as the likelier winner.[2][6]
The main catalysts are procedural rather than form-based. The match was scheduled for 8 August, and the contract only settles to 50-50 if it is not played, ends in a tie, or is delayed more than seven days without a winner, so traders should watch official tournament scheduling and live draw updates closely.[15] Because this is a live-event contract, any retirement, walkover, or postponement scenario can matter as much as the pre-match line; a match that begins but does not finish may still resolve on advancement depending on the official result. At present, the key divergence is between near-consensus external pricing for Jovic and a prediction-market line that is effectively pricing no win chance at all.[1][12]
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.
- 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.
- 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 National Bank Open: Iva Jovic vs Alina Korneeva on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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