Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 1 Winner | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 1 O/U 8.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Match O/U 21.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 2 O/U 8.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Total Sets: O/U 2.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 1 O/U 9.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Match O/U 22.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 2 O/U 9.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Match O/U 23.5 | 100% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo | 0% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 2 Winner | 0% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set Handicap +/-1.5 | 0% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set Handicap +/-1.5 | 0% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 1 O/U 10.5 | 0% |
| Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo Set 2 O/U 10.5 | 0% |
Market context
The WTA 125K quarterfinal in Båstad pits Irene Burillo Escorihuela against Kaitlin Quevedo on clay today, yet the prediction market for Burillo advancing sits at a stark 0% probability. This pricing implies the market expects Quevedo to win outright or the match to be cancelled, a scenario that defies Burillo’s superior 2026 form, where she holds a 66% win rate compared to Quevedo’s unrecorded head-to-head history against her[1][3].
Historically, such absolute zero pricing in tennis markets often precedes a withdrawal or a severe injury announcement rather than a genuine on-court defeat, as seen in comparable WTA 125K events where players pulled out before the first ball was struck. Burillo’s career winning percentage of 59% and her recent 23-12 record suggest she is a competitive favourite, making the current 0% valuation appear disconnected from the statistical reality of her clay-court capabilities[1].
Traders must monitor the official WTA tournament schedule and player social channels for immediate withdrawal confirmations or medical updates, as these are the primary catalysts that would resolve this contract to the 50-50 tie outcome[2][4]. The match is scheduled for 13:30 local time in the quarterfinals, and any delay beyond seven days without a winner determined will trigger the conditional token payout to the neutral settlement state[2]. No recent news source has confirmed a withdrawal, leaving the on-chain USDC position vulnerable to a sudden schedule change or a late injury report that could invalidate the current pricing[5].
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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 UK. 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 Bastad: Irene Burillo Escorihuela vs Kaitlin Quevedo on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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