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 |
|---|---|
| Contrexeville: Caroline Werner vs Dominika Salkova | 100% |
| Completed Match | 100% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 2 Winner | 100% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 1 Winner | 100% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 2 O/U 8.5 | 100% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set Handicap +/-1.5 | 100% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 2 O/U 9.5 | 100% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 2 O/U 10.5 | 100% |
| Contrexeville: Caroline Werner vs Dominika Salkova Total Sets: O/U 2.5 | 0% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 1 O/U 8.5 | 0% |
| Contrexeville: Caroline Werner vs Dominika Salkova Match O/U 21.5 | 0% |
| Contrexeville: Caroline Werner vs Dominika Salkova Match O/U 22.5 | 0% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 1 O/U 9.5 | 0% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set Handicap +/-1.5 | 0% |
| Contrexeville: Caroline Werner vs Dominika Salkova Set 1 O/U 10.5 | 0% |
| Contrexeville: Caroline Werner vs Dominika Salkova Match O/U 23.5 | 0% |
Market context
Caroline Werner and Dominika Salkova are scheduled to meet in the first round at Contrexeville on clay, with live listings showing the match set for 6 July at Court 1.[2][5][7] The market is currently pricing a 100% YES outcome, which implies near-certainty that the bout will be treated as a Werner advance rather than a cancellation-style settlement under the contract rules.[1]
That kind of reading is consistent with how short-dated tennis markets usually behave once a match has been formally scheduled and listed by multiple sportsbooks and scoreboards, because the main risk shifts from who is favoured to whether the match is actually completed.[2][5][7] Here, the contract’s own rules matter more than the draw headline: Polymarket specifies 50-50 only if the match is not played at all, ends in a tie, or is delayed beyond seven days without a winner, while a walkover or an incomplete first set also pushes to 50-50.[1]
For traders, the catalyst to watch is not a poll move or campaign event, but whether official tournament scheduling and live scoring feeds continue to show the fixture as live and startable.[2][5][7] Any withdrawal, walkover, or suspension before a completed first set would be the key trigger for a non-standard settlement under the market rules, whereas a normal start materially reduces that risk.[1][3]
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 Contrexeville: Caroline Werner vs Dominika Salkova 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
- 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.
- 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 Trump Prediction 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.
- 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.
- 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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