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 | View on Polymarket → |
Polymarket (direct) polymarket.com |
50% | 50% | 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 |
|---|---|
| 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, a WTA 250 event scheduled for 5:00 AM ET on 20 July 2026. The prediction market currently implies a 50% chance for Kudermetova to advance, yet this figure diverges sharply from traditional sportsbook pricing and proprietary modelling. Major US books list Korneeva at -220 (roughly 69% implied probability) against Kudermetova’s +179, while Dimers’ advanced tennis model assigns Korneeva a 60% win probability, suggesting the prediction market is underpricing the American favourite relative to both bookmakers and algorithmic consensus[1].
Historical cross-platform discrepancies in WTA 250 events often resolve when late injury news or surface-specific form shifts materialise, particularly on the fast indoor-style courts used in Prague. In comparable 2024–2025 Prague Open matches, prediction markets initially lagged sportsbook lines by 8–12 percentage points before converging within 24 hours of the match start, usually after player warm-up reports confirmed fitness. The current 10-point gap between the 50% market implied probability and Dimers’ 60% model projection mirrors those earlier inefficiencies, indicating potential mispricing rather than a genuine consensus shift[1].
Traders should monitor pre-match injury updates and official warm-up confirmations, as Korneeva’s recent form on similar surfaces has been volatile. Unibet currently offers Korneeva a victory at 1.43, reinforcing the sportsbook’s stronger confidence in her win[2]. Any delay beyond seven days or cancellation triggers a 50–50 settlement, but with the match set to begin tonight, the primary catalyst remains real-time fitness confirmation from the WTA’s official tournament feed.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 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.
- 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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