Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
50% | 50% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Total Sets: O/U 2.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 1 Winner | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 1 O/U 8.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 2 O/U 8.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Match O/U 21.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 2 Winner | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set Handicap +/-1.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 2 O/U 9.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 1 O/U 9.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Match O/U 22.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set Handicap +/-1.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 2 O/U 10.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Set 1 O/U 10.5 | 50% |
| Livesport Prague Open: Polina Kudermetova vs Alina Korneeva Match O/U 23.5 | 50% |
| Completed Match | 0% |
Market context
Polina Kudermetova faces Alina Korneeva in the opening round of the Livesport Prague Open on Monday, 20 July 2026, with the on-chain contract currently pricing a 50% chance for Kudermetova to advance. Traders on Polymarket are locking in USDC on the Polygon network, where conditional tokens for each player reflect this exact equilibrium, suggesting the market sees no clear edge between the two competitors ahead of the 11:00 CET start.
Historically, WTA first-round matches between players of similar ranking and recent form often settle near this 50% threshold, with outcomes frequently dictated by minor variables like serve efficiency or surface adaptation rather than dominant pre-match superiority. In comparable Prague Open qualifiers from recent years, matches involving unranked or lower-ranked entrants have resolved with near-even probabilities until the first set concluded, reinforcing that the current pricing aligns with typical tournament volatility for opening-round contests.
Key catalysts include the official start time confirmation and any pre-match injury reports, as the tournament schedule lists the main draw beginning at 11:00 CET on Monday, with ČT Sport broadcasting the action live [1]. Traders should monitor the Umpiry tournament feed for real-time updates on player availability and court assignments, as delays beyond seven days or cancellations would trigger the market’s 50-50 settlement clause [2]. Any late changes to the draw or weather-related postponements could shift the conditional token prices significantly before the first ball is struck.
Methodology
We track Livesport Prague Open: Polina Kudermetova vs Alina Korneeva across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- 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.
- 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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