Piracicaba: Juan Bautista Torres vs Joaquin Aguilar

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Active sub-markets

Market context

The real-world event is a second-round ATP Challenger tennis match in Piracicaba, Brazil, between Juan Bautista Torres and Joaquin Aguilar Cardozo, originally set for 25 June 2026. In prediction markets, a YES share pays out if the market resolves to the named outcome—here, that Torres advances—while a NO share pays if Aguilar advances or the match is void. This specific market currently shows a 100% YES probability, implying the crowd believes Torres will win with near certainty, despite the match not yet being completed.

Historically, 100% probabilities in tennis markets are rare and often signal either a suspended match with a known winner or an error in data feeds. Comparable cases from the ATP Challenger circuit show that even favourites with strong odds, such as Torres at 1.31 versus Aguilar at 3.08, rarely reach absolute certainty unless the opponent withdraws before play begins[1][4]. The fact that both players have equal career win records and no prior head-to-head meetings makes a 100% crowd-implied probability unusual and worth scrutiny[3][6].

Traders should monitor official ATP Tour announcements for match completion status, player withdrawal notices, or weather delays that could void the result. Recent coverage from Tennis Tonic confirms Torres as the pick to win in two sets, but notes the match is scheduled for the second round, meaning the outcome remains pending until play concludes[1]. Any delay beyond seven days from the scheduled date would trigger a 50-50 resolution, so checking the tournament schedule on the ATP website is essential for accurate risk assessment[6][9].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Piracicaba: Juan Bautista Torres vs Joaquin Aguilar on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

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's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Prediction Market UK?

Zero. Prediction Market UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK triggers a quick verification flow that finishes in 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.