Roehampton: Matheus Pucinelli de Almeida vs Peter Makk

Platform comparison

Market context

Matheus Pucinelli de Almeida, a Brazilian professional ranked outside the top 200, faces Peter Makk of Hungary in an early-round match at the Roehampton Club tournament scheduled for 18 August 2026. The current prediction-market consensus sits at 100% for Pucinelli de Almeida, an extreme probability that warrants scrutiny given the limited historical data on both players at this venue and their relative rankings.

Prediction markets have historically overweighted favourites in lower-tier professional tennis when sample sizes remain small. Makk, competing at a similar ranking level, represents a genuine competitive threat despite the market's complete dismissal of his chances. Cross-platform comparison reveals this disparity: traditional sportsbooks typically assign 15–25% implied probability to the underdog in matches between players of comparable ability, whereas the current market reflects near-certainty. This divergence suggests either material information favouring Pucinelli de Almeida—recent form, head-to-head record, or surface preference—or a liquidity-driven distortion common in niche tennis markets with limited trading volume.

Traders should monitor official tournament draw confirmations and any late withdrawals through the ATP or ITF circuits. Surface conditions at Roehampton's grass courts favour certain playing styles; recent grass-season results for both players, available through ATP databases and tournament records, will clarify whether the 100% probability reflects genuine dominance or market inefficiency. The settlement window extends to 25 August, providing a one-week buffer beyond the scheduled date for weather delays or administrative postponements.

Methodology

We track Roehampton: Matheus Pucinelli de Almeida vs Peter Makk across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.