Bonn: Jan Choinski vs Federico Agustin Gomez

Platform comparison

Market context

Polymarket is pricing Jan Choinski against Federico Agustin Gomez at **100% YES** on USDC-settled conditional tokens on Polygon, which implies the market is treating Choinski as a certain winner rather than just a strong favourite. The contract resolves to Choinski only if he advances against Gomez; if the match is not played, ends level, or is pushed beyond the seven-day window without a winner, it settles at 50-50 under the market rules.

That reading is consistent with the live tennis context. Sofascore and 365Scores both list the Bonn men’s Challenger semi-final on 1 August 2026 at Centre Court, with Choinski shown around ATP No. 88 and Gomez around No. 191, and tennisstats notes there have been no previous head-to-head meetings.[1][2][5][9] Tennistemple’s match page also has Choinski as the overwhelming pre-match favourite, reflecting the same ranking gap and the fact that this is a clay-court match in Bonn.[8]

For a Polymarket user, the main catalysts are logistical rather than market-microstructure driven: any late schedule change, walkover, retirement, or weather interruption can alter whether the contract is decided on court or falls back to the 50-50 rule. The key dependency is whether the semi-final starts and finishes within the settlement window; once a ball is played, the market no longer trades the abstract tournament outcome but the contract mechanics tied to completion, postponement, and official advancement.[15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

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?

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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.