Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) 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 |
|---|---|
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Total Sets: O/U 2.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 Winner | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Match O/U 21.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Match O/U 22.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Match O/U 23.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 O/U 8.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 O/U 9.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery | 100% |
| Completed Match | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set Handicap +/-1.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 Winner | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 O/U 10.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 O/U 8.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 O/U 9.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 O/U 10.5 | 0% |
Market context
The real-world event is the first-round WTA singles match between Jasmine Paolini and Robin Montgomery at Wimbledon, originally set for 29 June 2026 but now scheduled for 30 June at Court 12 in London. The market currently implies a 100% probability that Paolini will advance, yet recent form data suggests a starkly different narrative: Montgomery has won nine of her last ten matches and is on a career-best run on grass, even being favoured against Paolini in some bookmaker odds[2][4]. Historically, such extreme crowd-implied probabilities in early-round tennis often collapse when a player’s surface-specific strength is overlooked; comparable cases from previous Wimbledon tournaments show that 100% YES markets in Round 128 frequently resolve to the underdog when the latter possesses superior grass-court metrics, making this a high-risk conditional order for automated traders.
Traders approaching this programmatically must monitor three immediate catalysts: the official start signal (a ball played), any pre-match withdrawal notices, and the rescheduling window if delays occur beyond two weeks[1]. Montgomery’s grass-court dominance is the primary dependency, supported by her -2.5 handicap covering in nine of ten recent outings[2]. A recent Tennis.com broadcast update confirms the match is live with full statistics available, indicating no cancellation has occurred yet[5]. For conditional order bots, the key trigger is the moment the ball is played; if Montgomery starts but Paolini withdraws mid-match, the market resolves to Paolini losing, not a fair price[1]. Traders should watch for any injury reports or walkover announcements before the 10:00 UTC start, as these would invalidate the 100% YES assumption and create a sharp arbitrage opportunity.
Methodology
This page reviews Wimbledon WTA: Jasmine Paolini vs Robin Montgomery 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 Kalshi Fees, 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
- 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 Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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