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 |
|---|---|
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 1 O/U 8.5 | 100% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 2 Winner | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Match O/U 21.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Total Sets: O/U 2.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 2 O/U 8.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set Handicap +/-1.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Match O/U 22.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 2 O/U 9.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Match O/U 23.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 2 O/U 10.5 | 50% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover | 0% |
| Completed Match | 0% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 1 Winner | 0% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 1 O/U 9.5 | 0% |
| Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover Set 1 O/U 10.5 | 0% |
Market context
Roberto Carballes Baena faces Carlos Sanchez Jover in the Swedish Open qualification round at Bastad, Sweden, with the match scheduled to begin at 12:20 UTC on 12 July 2026. The market currently implies a 0% probability for Baena advancing, suggesting the crowd heavily favours Jover or anticipates a cancellation that triggers the 50-50 settlement clause.
Historically, qualification matches involving unranked or lower-ranked players often see volatile pricing due to limited head-to-head data and unpredictable surface performance on clay. Baena, a seasoned clay-court specialist with over 200 ATP matches, contrasts with Jover, a younger prospect with fewer top-level appearances; comparable cases show that when experienced qualifiers face emerging talents on home soil, the market frequently overcorrects toward the newcomer if early form is strong, though Baena’s superior opening-game tools typically stabilise his odds once play commences [10].
Traders should monitor live score updates and weather conditions at Court 3, as rain delays in Bastad can push matches beyond the seven-day resolution window, forcing a 50-50 outcome. Key catalysts include Baena’s first-set performance—betting tips indicate a 1.32 probability he wins the opener—and any official ATP Tour announcements regarding player availability or match postponements [1][7]. The market leans on real-time match progression rather than pre-tournament polls, given the absence of political or campaign-finance dependencies in tennis.
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 Swedish Open, Qualification: Roberto Carballes Baena vs Carlos Sanchez Jover 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
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.
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 Trump Prediction 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.
- 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.
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