Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
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 Kalshi UK.
Active sub-markets
Market context
Katarzyna Kawa, the Polish professional ranked outside the top 200, faces Maya Joint in a Makarska tournament match originally scheduled for 3 June 2026. The Polymarket contract currently shows 0% implied probability for Kawa's advancement, reflecting either extreme confidence in Joint's superiority or minimal trading volume on this lower-tier WTA event. The settlement window extends to 10 June, allowing a seven-day buffer for rescheduling before the market defaults to 50-50 resolution.
Kawa's career trajectory offers context for reading this pricing. She has competed primarily on the ITF circuit and lower-tier WTA events, with limited success against higher-ranked opponents. Joint, though similarly positioned outside elite rankings, likely commands the market's full conviction based on recent head-to-head records or ranking differentials. Historical patterns in Polymarket tennis contracts show that 0% probabilities typically indicate either a substantial skill gap or that one player has recently defeated the other decisively. Without recent match history between these two, the extreme pricing may reflect Joint's superior ranking or recent form rather than certainty.
Traders should monitor the official WTA schedule for confirmation that the Makarska event proceeds as planned and that both players remain entered. Injury withdrawals or late scratches commonly affect lower-tier tournaments, which would trigger the 50-50 resolution clause. The four-hour settlement window after the scheduled match time is narrow; any delays beyond 7 June without a completed result automatically resolve the contract to even odds. Conditional token mechanics on Polygon mean positions settle directly to USDC once the outcome is confirmed, making timing and official tournament announcements critical for execution.
Methodology
We track Makarska: Katarzyna Kawa vs Maya Joint on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- On Kalshi UK, 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.
- What does it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK 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 Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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