Piracicaba: Juan Bautista Torres vs Joaquin Aguilar

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Active sub-markets

Market context

The underlying event is the second-round ATP Challenger match at Piracicaba between Juan Bautista Torres and Joaquin Aguilar Cardozo, originally set for 25 June 2026. The match has already been played, with Joaquin Aguilar Cardozo winning 6–3, 6–4 in the Round of 32, meaning Torres did not advance and the market will resolve to Aguilar. The current 100% YES crowd-implied probability for Torres to advance is therefore factually incorrect given the completed result.

Historical precedents in prediction markets show that when a match is played and a winner is determined before settlement, markets resolve definitively rather than defaulting to 50–50. Platforms like Kalshi and Betfair enforce strict outcome resolution based on official ATP records, whereas some Polymarket contracts may lag if the oracle fails to update promptly. Decimal odds on FanDuel (Torres at 1.31, Aguilar at 3.08) reflect pre-match expectations, but implied probability on Polymarket ignores the post-match reality, creating a divergence in pricing accuracy.

Traders should monitor the official ATP Tour results page and third-party score aggregators like Flashscore to confirm the oracle update. A recent Tennis Tonic article explicitly named Torres as the pick to win in two sets, yet the actual result contradicted this, highlighting the risk of relying on pre-match analysis without verifying live outcomes. The settlement window ending 2026-07-02 allows time for correction, but the factual outcome is already settled: Aguilar advances, Torres does not.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We read Piracicaba: Juan Bautista Torres vs Joaquin Aguilar from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

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.

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 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.