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 |
|---|---|
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk | 100% |
| Completed Match | 100% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 1 Winner | 100% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 1 O/U 8.5 | 100% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 2 Winner | 100% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set Handicap +/-1.5 | 100% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 2 O/U 8.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Match O/U 21.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Total Sets: O/U 2.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Match O/U 22.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 2 O/U 9.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set Handicap +/-1.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 1 O/U 9.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Match O/U 23.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 2 O/U 10.5 | 0% |
| Roehampton: Matheus Pucinelli de Almeida vs Peter Makk Set 1 O/U 10.5 | 0% |
Market context
A tennis match between Brazilian player Matheus Pucinelli de Almeida and Hungarian competitor Peter Makk is scheduled for the Roehampton tournament on 18 August 2026. The market currently reflects near-certainty in Pucinelli de Almeida's favour, with the crowd-implied probability at 100%, suggesting traders view him as the overwhelming favourite to advance past Makk in this early-round encounter.
Pucinelli de Almeida, ranked significantly higher on the ATP circuit than Makk, enters with the typical advantages of seeding and recent form that typically determine outcomes in qualifying or early main-draw matches. Historical precedent shows that matches between players with substantial ranking gaps—particularly when the favourite holds a top-200 position against an opponent outside the top 300—resolve in favour of the higher-ranked player approximately 75–85% of the time. The 100% probability assigned here suggests the market views the gap as decisive, though such extremes in tennis markets often reflect limited liquidity rather than genuine certainty.
Traders should monitor official tournament draws and any late withdrawals or injury announcements from either player in the week preceding the match. The ATP and tournament organisers typically confirm final match schedules 48 hours before play. Weather disruptions at Roehampton, whilst rare in August, could trigger the seven-day delay clause that would resolve the market to 50-50. Any unexpected ranking shifts or recent match results from either player in the fortnight before 18 August may shift sentiment, though the current pricing suggests minimal expectation of an upset.
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 Roehampton: Matheus Pucinelli de Almeida vs Peter Makk 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.
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.
- 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.
- 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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