Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 1 O/U 8.5 | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov Match O/U 21.5 | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 2 O/U 8.5 | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 1 O/U 9.5 | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 2 O/U 9.5 | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set Handicap +/-1.5 | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 2 O/U 10.5 | 100% |
| Astana: Lucio Ratti vs Khumoun Sultanov | 0% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 1 Winner | 0% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 2 Winner | 0% |
| Astana: Lucio Ratti vs Khumoun Sultanov Total Sets: O/U 2.5 | 0% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set Handicap +/-1.5 | 0% |
| Astana: Lucio Ratti vs Khumoun Sultanov Match O/U 22.5 | 0% |
| Astana: Lucio Ratti vs Khumoun Sultanov Set 1 O/U 10.5 | 0% |
| Astana: Lucio Ratti vs Khumoun Sultanov Match O/U 23.5 | 0% |
Market context
Lucio Ratti and Khumoun Sultanov are scheduled to meet in a professional tennis match at the Astana tournament on 12 August 2026. The market currently reflects zero implied probability for Ratti's advancement, suggesting either strong consensus around Sultanov's superiority or insufficient liquidity to establish a meaningful price. The settlement window extends to 19 August, allowing a seven-day buffer for rescheduling before the market resolves to a 50-50 split.
Ratti, an Italian player, and Sultanov, a Kazakhstani competitor, occupy different tiers of professional tennis rankings and match history. Historical precedent in prediction markets for lower-profile ATP or Challenger-level matches shows that zero probabilities often reflect data scarcity rather than certainty—particularly when one player's recent form, injury status, or head-to-head record remains opaque to the broader market. Comparable matches at regional tournaments have occasionally shifted sharply once draw confirmation or pre-match injury reports surface.
Traders should monitor official ATP or Astana tournament announcements for confirmation of the fixture, any withdrawal declarations, or last-minute scheduling changes. Recent form updates, particularly Sultanov's performance in preceding rounds or Ratti's fitness status, would constitute material catalysts. The ATP's official website and tournament draws, typically finalised 48 hours before play, represent the primary information source for match confirmation and any alterations to the scheduled date or format.
Methodology
This page tracks Astana: Lucio Ratti vs Khumoun Sultanov across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
UK Frequently Asked Questions
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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