Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Best Prediction Markets.
Active sub-markets
| Makarska: Katarzyna Kawa vs Maya Joint Total Sets: O/U 2.5 | 0% Over 2.5 | 100% Under 2.5 |
| Makarska: Katarzyna Kawa vs Maya Joint Set 1 O/U 8.5 | 100% Over | 0% Under |
| Makarska: Katarzyna Kawa vs Maya Joint Set 1 O/U 9.5 | 100% Over | 0% Under |
| Makarska: Katarzyna Kawa vs Maya Joint Set 1 O/U 10.5 | 100% Over | 0% Under |
| Makarska: Katarzyna Kawa vs Maya Joint Match O/U 21.5 | 0% Over | 100% Under |
| Makarska: Katarzyna Kawa vs Maya Joint Set 1 Winner | 0% Kawa | 100% Joint |
Market context
Katarzyna Kawa and Maya Joint are scheduled to compete in a professional tennis match at Makarska on 3 June 2026, with the settlement window extending to 10 June to account for potential delays. The 0% implied probability on Kawa suggests either extreme confidence in Joint's superiority or minimal trading activity establishing a baseline. Makarska tournaments typically feature lower-ranked players on the WTA or ITF circuits, where upsets occur more frequently than on the main tour, yet the complete absence of YES volume indicates either one-sided market sentiment or insufficient liquidity to reflect genuine uncertainty.
Historical context from comparable lower-tier professional matches shows that when prediction markets display zero probability for either participant, it often reflects sparse trading rather than genuine certainty. Kawa, a Polish player with career rankings in the 200s, has competed on ITF and WTA Challenger circuits; Joint's recent form and ranking tier remain critical to assessing whether the market's positioning reflects a genuine mismatch or simply thin order books. Cross-platform comparison would require checking whether sportsbooks offer lines on this fixture—many do not cover Makarska-level events, creating information asymmetry between prediction markets and traditional betting venues.
Traders should monitor tournament draws and player confirmations as the event approaches, particularly any late withdrawals or injury announcements that could trigger the 50-50 tie-break clause. The 4:00 AM ET scheduling suggests a European morning slot, which may suppress retail trading volume. Any shift in YES volume before 10 June would signal new information entering the market, whilst continued zero probability would indicate the market remains illiquid rather than confident.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), 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
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?
- On Best Prediction Markets, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 it cost to trade on Best Prediction Markets?
- Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets triggers a quick verification flow that finishes in minutes.
- 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.
Trade Makarska: Katarzyna Kawa vs Maya Joint on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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