Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Election Predictions UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Election Predictions UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Election Predictions UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Election Predictions UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Election Predictions UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Election Predictions 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 Election Predictions UK.
Active sub-markets
| Mallorca Championships: Mariano Navone vs Lorenzo Sonego Total Sets: O/U 2.5 | 100% Over 2.5 | 0% Under 2.5 |
| Mallorca Championships: Mariano Navone vs Lorenzo Sonego Set 1 O/U 8.5 | 100% Over | 0% Under |
| Mallorca Championships: Mariano Navone vs Lorenzo Sonego Match O/U 23.5 | 100% Over | 0% Under |
| Mallorca Championships: Mariano Navone vs Lorenzo Sonego Match O/U 21.5 | 100% Over | 0% Under |
| Mallorca Championships: Mariano Navone vs Lorenzo Sonego Set 2 O/U 8.5 | 0% Over | 100% Under |
| Mallorca Championships: Mariano Navone vs Lorenzo Sonego Match O/U 22.5 | 100% Over | 0% Under |
Market context
Mariano Navone and Lorenzo Sonego are scheduled to meet in the first round at the ATP 250 Mallorca Championships, with the match listed for 21 June 2026 at 13:00 UTC. The market’s 100% crowd-implied probability is best read as a signal that the contest is treated as effectively live and on the published schedule rather than as a close directional call on the result.[1][3][4]
Comparable tennis markets often sit at extreme probabilities only when the underlying event is already fixed in the draw and there is no obvious cancellation risk, not because the outcome itself is certain. Here, the most relevant historical frame is that ATP first-round matches are typically straightforward once the draw is set, and head-to-head data leans towards Lorenzo Sonego: one preview source tips Sonego, while another match page notes he has won both of the pair’s previous meetings.[1][9]
The main catalyst for traders is simply whether the match starts as scheduled and produces a completed winner before the settlement window closes on 28 June 2026. The Mallorca Championships player list and live match listings both still carry Navone and Sonego, which supports the view that the market is leaning on the published schedule rather than on a late withdrawal narrative.[3][7] If the match is delayed, interrupted, or not completed within seven days of the original date, the market rules point away from a standard winner resolution and towards the 50-50 fallback.[market rules]
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Mallorca Championships: Mariano Navone vs Lorenzo Sonego plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- Is this market available outside the US?
- Election Predictions UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Election Predictions 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.
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