Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 1 Winner | 100% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Total Sets: O/U 2.5 | 100% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Match O/U 21.5 | 100% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 1 O/U 8.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 2 O/U 8.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 1 O/U 9.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 2 Winner | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set Handicap +/-1.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 2 O/U 9.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Match O/U 22.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 1 O/U 10.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Set 2 O/U 10.5 | 0% |
| Livesport Prague Open: Maya Joint vs Tereza Valentova Match O/U 23.5 | 0% |
Market context
Maya Joint’s meeting with Tereza Valentova at the Livesport Prague Open is being priced as a clear underdog spot, with the crowd-implied **20% YES** sitting well below the match preview market view that favours Valentova. Tennis Tonic’s pre-match odds listed Valentova at **1.35** and Joint at **3.18**, while The Stats Zone also tipped Valentova to win, so the current market is leaning heavily on a home-court and form-based read rather than a coin-flip assessment.[1][2]
That matters because prediction markets on individual WTA matches often move quickly when pre-match odds and expert previews align, especially in smaller-tour events where local familiarity can matter more than headline ranking names. In that sense, 20% implies Joint would need either a strong upset narrative or a late negative shift in Valentova’s position to justify a repricing; absent that, the existing market level looks more like a low-probability challenger price than a broad uncertainty band.[1][2]
The main catalyst to watch is whether the match actually starts on schedule and whether either player is confirmed to advance cleanly, because the market only resolves to a winner if the contest is played to a decisive outcome; if it is postponed beyond the seven-day window or remains unresolved, it falls to 50-50 under the rules. Given the current balance, traders will be watching any official schedule change, withdrawal notice, or in-match interruption more closely than pre-tournament commentary, since those are the events most likely to override the current odds-led leaning.[1][2]
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 Livesport Prague Open: Maya Joint vs Tereza Valentova 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
- 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.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- 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.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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