Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
86% | 14% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
86% | 14% | 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 WTA: Maja Chwalinska vs Taylor Townsend Set Handicap +/-1.5 | 86% |
| Completed Match | 50% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 2 O/U 8.5 | 50% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 2 O/U 9.5 | 50% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Match O/U 22.5 | 50% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Match O/U 23.5 | 50% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 2 O/U 10.5 | 50% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Game Spread +/-3.5 | 50% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 2 Winner | 11% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Match O/U 21.5 | 9% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Total Sets: O/U 2.5 | 8% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend | 5% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 1 Winner | 0% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 1 O/U 8.5 | 0% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 1 O/U 9.5 | 0% |
| US Open WTA: Maja Chwalinska vs Taylor Townsend Set 1 O/U 10.5 | 0% |
Market context
Live Polymarket data shows 86% YES probability for US Open WTA: Maja Chwalinska vs Taylor Townsend. This market refers to the tennis match between Maja Chwalinska and Taylor Townsend in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Maja Chwali…
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 US Open WTA: Maja Chwalinska vs Taylor Townsend 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.
UK Frequently Asked Questions
- 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.
- 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.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- 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.
- 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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