Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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 |
|---|---|
| Istanbul 2: Harmony Tan vs Lucie Havlickova | 100% |
| Completed Match | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Total Sets: O/U 2.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 O/U 8.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 Winner | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 O/U 8.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Match O/U 21.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Match O/U 22.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 O/U 9.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Match O/U 23.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 O/U 10.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 Winner | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set Handicap +/-1.5 | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 O/U 9.5 | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set Handicap +/-1.5 | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 O/U 10.5 | 0% |
Market context
Harmony Tan and Lucie Havlickova are set to contest their Istanbul 2 Challenger match today on Court A, with the winner advancing to face Anastasija Gasanova in the next round. The match was scheduled for 12:00 local time, and the crowd-implied probability of 100% YES suggests the market expects the contest to proceed without cancellation or delay, locking in a clear resolution path for traders.
Historically, prediction markets on Challenger-level women’s tennis matches with near-100% implied probability have resolved cleanly when both players are confirmed present and no weather or injury disruptions occur. Comparable cases from recent WTA 125 events show that when odds compress this tightly pre-match, the outcome typically follows the statistical favourite unless an abrupt withdrawal occurs mid-tournament, which is rare at this stage.
Traders should monitor the official WTA Istanbul 2 draw updates and any live court announcements for delays or player withdrawals, particularly given the tight 7-day settlement window. Recent tournament coverage confirms both players are entered and the match is active, with no reported injuries or schedule changes as of this afternoon [1][2]. Any deviation from the 12:00 start time or a late withdrawal would trigger the 50-50 resolution clause, so real-time match status feeds are the primary catalyst for position management.
Methodology
This page reviews Istanbul 2: Harmony Tan vs Lucie Havlickova 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
- 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 Prediction Today. 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'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 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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