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 |
|---|---|
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 O/U 8.5 | 100% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 Winner | 100% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 O/U 8.5 | 100% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 O/U 9.5 | 100% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 O/U 9.5 | 100% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 O/U 10.5 | 100% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 O/U 10.5 | 100% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro | 79% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Total Sets: O/U 2.5 | 75% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Match O/U 21.5 | 75% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Match O/U 22.5 | 75% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Match O/U 23.5 | 75% |
| Completed Match | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set Handicap +/-1.5 | 7% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 Winner | 0% |
Market context
Elina Svitolina against Jessica Bouzas Maneiro sits close to a coin flip on the market, with the crowd-implied price at 51% YES, but the tennis data still leans towards Svitolina. Across their head-to-head record, Svitolina leads 3-0 and has won all three meetings in straight sets, including on hard court in Cincinnati and on clay in Rouen and Rome.[2][3][6][10] That history matters because it gives traders a clearer baseline than the market price alone; a near-even prediction-market line suggests either late uncertainty about availability, form, or surface conditions, rather than a strong disagreement with the matchup record.[2][3]
Comparable cases suggest that a player with a clean head-to-head edge can still trade much closer to even if the opponent has a recent results spike or if the event context is volatile. Bouzas Maneiro has shown upside against elite opposition, including a win over Coco Gauff at the United Cup, while Svitolina has a strong recent hard-court profile against outside top-50 opponents, which supports the idea that the true price may sit modestly above 50% but not at a large favourite level.[3] In analyst-style comparison models, the edge appears to remain with Svitolina, but not by enough to make the market’s 51% quote look obviously off.[2][3][16]
The main catalysts for traders are simple: whether the match is actually played, whether the draw schedule shifts, and whether either player withdraws or is delayed beyond the market’s 7-day settlement window, which would force a 50-50 result under the contract rules. Any late change to order of play at the National Bank Open can matter more here than the historical matchup, because the contract is binary and a no-contest, cancellation, or prolonged delay overrides normal tennis pricing. If the match proceeds on schedule, the market will mostly be repriced by confirmation of starting line-ups and any courtside reports on fitness or fatigue rather than by broad tournament trends.
Methodology
This page reviews National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro 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 PolyGram, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- 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.
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