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% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 O/U 8.5 | 100% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 O/U 9.5 | 100% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set Handicap +/-1.5 | 100% |
| Samsun: Paul Inchauspe vs Gabriel Debru | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 Winner | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 Winner | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Total Sets: O/U 2.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Match O/U 21.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set Handicap +/-1.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 O/U 8.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Match O/U 22.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 O/U 9.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 O/U 10.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Match O/U 23.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 O/U 10.5 | 0% |
Market context
Paul Inchauspe’s meeting with Gabriel Debru is a live Samsun Challenger match that was listed for 1 August, and the market’s current 0% YES implies traders are treating a Debru advance as overwhelmingly likely or expecting the market to resolve away from a straight Inchauspe win only if the fixture is not completed normally. Live score feeds show the contest has already been under way, which matters because in tennis a market on a specific player advance is usually driven by the actual match state rather than pre-match ratings alone.[7][12]
The historical frame is limited because these two have no established head-to-head record on the main tennis statistics pages, so the cleanest comparison is their recent form and level rather than any direct rivalry.[2][10] Debru’s longer-run results have been stronger in the available summaries, while Inchauspe has generally been the lower-profile player in Challenger-level data, which helps explain why an extreme price can emerge even before the final score is settled.[2][6][10]
The main catalyst to watch is whether the match finishes normally before the seven-day delay window closes, because any cancellation, tie, or prolonged postponement would force the market to 50-50 under the rules. Near-term price movement is therefore more likely to hinge on match completion, scoreline progression, and any official tournament schedule updates than on broader ranking chatter; recent live coverage from 365Scores and Flashscore shows the fixture being tracked point by point, indicating that the outcome depends on on-court continuation rather than a fresh off-court announcement.[1][7][8]
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 Samsun: Paul Inchauspe vs Gabriel Debru 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.
- 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.
- 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.
- 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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