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 |
|---|---|
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka | 100% |
| Completed Match | 100% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 1 Winner | 100% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 1 O/U 8.5 | 100% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 2 Winner | 100% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set Handicap +/-1.5 | 100% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Game Spread +/-3.5 | 100% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 1 O/U 9.5 | 100% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 2 O/U 8.5 | 0% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Total Sets: O/U 2.5 | 0% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Match O/U 21.5 | 0% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 2 O/U 9.5 | 0% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Match O/U 22.5 | 0% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 2 O/U 10.5 | 0% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Set 1 O/U 10.5 | 0% |
| US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka Match O/U 23.5 | 0% |
Market context
Based on real-money crowd forecasting, us open, qualification wta: kristina liutova vs martyna kubka stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Kristina Liutova and Martyna Kubka in the US Open, Qualification WTA, originally scheduled for August 27, 2026 at 2:00PM ET. This ma…
Methodology
This page tracks US Open, Qualification WTA: Kristina Liutova vs Martyna Kubka 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.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- 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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