Pronóstico: Piracicaba: Maximo Zeitune vs Nicolas Zanellato

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Active sub-markets

Market context

The tennis match between Maximo Zeitune and Nicolas Zanellato at the ATP Challenger in Piracicaba has already concluded, with Nicolas Zanellato advancing after the contest was interrupted on 25 June. This real-world outcome explains the current 100% YES price on Polymarket, as the conditional token for Zeitune advancing is effectively worthless given the match result.

Historical precedents in ATP Challenger events show that when a match is interrupted after a ball is played but not completed, the player who wins the decisive point or set typically advances, as seen in similar 2024 and 2025 cases where withdrawals post-interruption resolved to the opponent. In this instance, Zanellato’s 1-0 set lead and the interruption status confirm his progression, mirroring the resolution logic used by Kalshi and other on-chain platforms for interrupted matches where a winner is determined before full completion.

Traders should monitor official ATP Tour announcements regarding the Round of 32 outcome confirmation and any potential appeals, though the result is already recorded on 365scores and RoyalScore. The settlement window ending 30 June 2026 allows for final administrative closure, but no further catalysts are expected given the match’s resolved status. As noted by the ATP Tour head-to-head record, Zanellato’s career prize money and ranking advantage further support the likelihood of his advancement being uncontested.

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Methodology

We track Pronóstico: Piracicaba: Maximo Zeitune vs Nicolas Zanellato 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What does it cost to trade on PolyGram?

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

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.