Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) 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 |
|---|---|
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu | 100% |
| Completed Match | 100% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 1 Winner | 100% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 2 Winner | 100% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 1 O/U 8.5 | 100% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set Handicap +/-1.5 | 100% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 1 O/U 9.5 | 100% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 1 O/U 10.5 | 100% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Total Sets: O/U 2.5 | 0% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 2 O/U 8.5 | 0% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Match O/U 21.5 | 0% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 2 O/U 9.5 | 0% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Match O/U 22.5 | 0% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Set 2 O/U 10.5 | 0% |
| Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu Match O/U 23.5 | 0% |
Market context
Market consensus: 100% chance of livesport prague open, qualification: sofia costoulas vs ayla aksu. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Sofia Costoulas and Ayla Aksu in the Livesport Prague Open, Qualification, originally scheduled for July 19, 2026 at 6:30AM ET. This…
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 Best Prediction Markets, 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
- 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 Best Prediction Markets. 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 Livesport Prague Open, Qualification: Sofia Costoula… on Best Prediction Markets
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