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: Nuno Borges vs Moise Kouame | 100% |
| Completed Match | 100% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 2 Winner | 100% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 1 Winner | 100% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 1 O/U 8.5 | 100% |
| Swedish Open: Nuno Borges vs Moise Kouame Set Handicap +/-1.5 | 100% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 1 O/U 9.5 | 100% |
| Swedish Open: Nuno Borges vs Moise Kouame Total Sets: O/U 2.5 | 0% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 2 O/U 8.5 | 0% |
| Swedish Open: Nuno Borges vs Moise Kouame Match O/U 21.5 | 0% |
| Swedish Open: Nuno Borges vs Moise Kouame Match O/U 22.5 | 0% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 2 O/U 9.5 | 0% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 1 O/U 10.5 | 0% |
| Swedish Open: Nuno Borges vs Moise Kouame Match O/U 23.5 | 0% |
| Swedish Open: Nuno Borges vs Moise Kouame Set 2 O/U 10.5 | 0% |
Market context
The underlying event is the first-round ATP match at the Nordea Open in Båstad, where Portuguese player Nuno Borges faces Moise Kouame. Borges, a seasoned ATP competitor with superior experience and composure, is heavily favoured to secure a straight-set victory, with predictions pointing to a 6–4, 6–3 scoreline[3][4]. The market’s 100% YES crowd-implied probability reflects overwhelming confidence in Borges advancing, consistent with his head-to-head dominance and current form on European clay.
Historically, such near-certainty in tennis prediction markets often precedes matches where one player has a significant ranking or experience gap, similar to cases where top-30 players face unranked opponents in early rounds of ATP 250 events. In those instances, the market rarely corrects unless an injury or retirement occurs mid-match, as the probability of a upset remains statistically negligible without external disruption.
Traders should monitor live match developments, particularly any signs of physical distress or early set losses, though current previews suggest a clean Borges win[3]. The settlement window extends to July 20, 2026, allowing for potential delays, but the match is scheduled for July 14 at 13:20 local time in Båstad[1][2]. No major campaign-finance disclosures or political catalysts apply here, as this is a pure sporting event; the market leans entirely on Borges’ on-court performance and the absence of retirement or cancellation.
Methodology
This page tracks Swedish Open: Nuno Borges vs Moise Kouame across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
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
- 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 Trump Prediction route into the same order book at 0% fees.
- 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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