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
| Grass Court Championships: Aryna Sabalenka vs Ekaterina Alexandrova Set 1 O/U 8.5 | 100% Over | 0% Under |
| Grass Court Championships: Aryna Sabalenka vs Ekaterina Alexandrova Match O/U 21.5 | 0% Over | 100% Under |
| Grass Court Championships: Aryna Sabalenka vs Ekaterina Alexandrova Set 1 O/U 9.5 | 100% Over | 0% Under |
| Grass Court Championships: Aryna Sabalenka vs Ekaterina Alexandrova Match O/U 22.5 | 0% Over | 100% Under |
| Grass Court Championships: Aryna Sabalenka vs Ekaterina Alexandrova | 100% Aryna Sabalenka | 0% Ekaterina Alexandrova |
| Completed Match | 100% YES | 0% NO |
Market context
Aryna Sabalenka and Ekaterina Alexandrova are scheduled to meet in the Grass Court Championships on 17 June 2026, with the winner advancing further in the tournament. The 100% implied probability reflects near-certainty that this match will be played as scheduled, though the settlement window extends to 24 June to account for potential delays or rescheduling within a seven-day window.
Sabalenka's record against Alexandrova provides the primary historical frame for assessing this matchup. Sabalenka holds a commanding head-to-head advantage and has consistently performed well on grass courts despite her traditional dominance on harder surfaces. Alexandrova, a capable competitor on all surfaces, has struggled to close matches against top-ranked opponents in high-pressure tournament settings. The disparity in recent form and ranking positions suggests the market's confidence in Sabalenka's progression is grounded in tangible performance differentials rather than speculation.
Traders should monitor tournament scheduling announcements and weather forecasts for the week of 17 June, as grass court conditions can shift rapidly and occasionally force rescheduling. Any injury updates to either player in the fortnight preceding the match would constitute a material catalyst. The market's current settlement terms mean that only cancellation, a tie result, or delays extending beyond 24 June would trigger the 50-50 resolution. Standard tournament progression without disruption remains the baseline expectation, which the probability reflects.
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 Grass Court Championships: Aryna Sabalenka vs Ekaterina Alexandrova 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.
- What does it cost to trade on Election Predictions UK?
- Zero. Election Predictions 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, Election Predictions UK triggers a quick verification flow that finishes in minutes.
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