Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 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
| Cattolica: Dusan Lajovic vs Jonas Forejtek | 100% Dusan Lajovic | 0% Jonas Forejtek |
| Completed Match | 100% YES | 0% NO |
| Cattolica: Dusan Lajovic vs Jonas Forejtek Set 1 Winner | 100% Lajovic | 0% Forejtek |
| Cattolica: Dusan Lajovic vs Jonas Forejtek Match O/U 21.5 | 100% Over | 0% Under |
| Cattolica: Dusan Lajovic vs Jonas Forejtek Match O/U 22.5 | 100% Over | 0% Under |
| Cattolica: Dusan Lajovic vs Jonas Forejtek Match O/U 23.5 | 100% Over | 0% Under |
Market context
Dusan Lajovic, the Serbian player ranked around 40th on the ATP tour, faces Jonas Forejtek, a Czech prospect in his early twenties, in the opening rounds of the Cattolica tournament scheduled for 8 June 2026. The match is set for 4:00 AM ET, reflecting the early scheduling typical of ATP 250 events in Italy. On Polymarket, conditional tokens for Lajovic's advancement are trading at near-certainty, with the YES side priced at 100%, suggesting traders view this as a heavily favoured outcome given the ranking disparity and Lajovic's experience at this level.
Historical context shows that ATP 250 tournaments in Cattolica rarely produce major upsets in opening-round matchups between established players and rising juniors or lower-ranked challengers. Forejtek, whilst talented, lacks the tour credentials and match hardness that Lajovic brings from consistent ATP participation. Similar pairings at this tier typically resolve in favour of the higher-ranked player in roughly 85–90% of cases, though early-round fatigue and surface adaptation can introduce volatility.
Traders should monitor the official ATP schedule confirmation in the week prior to 8 June, as early-round matches occasionally shift slots or face cancellation due to weather or player withdrawal. The settlement window extends to 15 June, providing a seven-day buffer for delayed matches. Any late withdrawal by either player would trigger the 50-50 resolution clause, whilst a retirement mid-match would depend on whether one player has advanced sufficiently to claim the win under ATP rules.
Methodology
We track Cattolica: Dusan Lajovic vs Jonas Forejtek 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
- 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 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.
- 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 Cattolica: Dusan Lajovic vs Jonas Forejtek on Kalshi UK
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