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 |
|---|---|
| Completed Match | 100% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 2 Winner | 100% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Match O/U 21.5 | 100% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Total Sets: O/U 2.5 | 100% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 1 O/U 8.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 1 Winner | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 2 O/U 8.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 1 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Match O/U 22.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 2 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 1 O/U 10.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Match O/U 23.5 | 0% |
| Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda Set 2 O/U 10.5 | 0% |
Market context
Giovanni Mpetshi Perricard and Trevor Svajda are scheduled to compete in the Cincinnati Open qualifying round on 11 August 2026. The market currently reflects zero probability for Mpetshi Perricard's advancement, suggesting either strong backing for Svajda or minimal trading activity at present. Settlement occurs by 18 August 2026, allowing a seven-day window for the match to conclude; any cancellation or unresolved outcome beyond that period triggers a 50-50 split.
Mpetshi Perricard, a French player, has shown considerable promise on the ATP Challenger circuit with a powerful serve and improving consistency. Svajda, an American competitor, has competed regularly in qualifying draws across major tournaments. Historical qualifying matchups between players of comparable ranking typically favour the higher-seeded or more experienced player, though qualifying draws often produce upsets given the single-elimination format and variable form. The 0% probability assigned to Mpetshi Perricard suggests the market has already settled on Svajda's superiority or reflects extremely limited liquidity in this particular pairing.
Traders should monitor official ATP tour announcements regarding the match schedule, as weather delays or withdrawals could trigger the 50-50 resolution clause. Recent form, surface preference—Cincinnati's hard courts—and head-to-head records, if available, will become relevant as the scheduled date approaches. Any late withdrawals or injury declarations in the days preceding 11 August would materially alter the outcome probability. The settlement window's seven-day extension provides some buffer for rescheduling, but matches delayed beyond that point without completion would resolve to even odds.
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 Cincinnati Open, Qualification: Giovanni Mpetshi Perricard vs Trevor Svajda 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.
UK Frequently Asked Questions
- 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.
- 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.
- 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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