Bunschoten: Tom Gentzsch vs Max Houkes

Platform comparison

Market context

Tom Gentzsch faces Max Houkes in a Bunschoten tennis match scheduled for 09:00 local time on Friday, 17 July 2026, with the market currently pricing Gentzsch’s advancement at a certainty of 100% YES. This absolute pricing is anomalous for a contest where predictive models assign Gentzsch only a 58% win probability against Houkes, suggesting the market is either mispriced or reflecting non-public information such as a confirmed retirement or withdrawal not yet widely reported [2].

Historically, prediction markets locking at 100% before a match begins often precede a 50-50 settlement if the event is cancelled or delayed beyond the seven-day window, as seen in prior tennis markets where player availability was uncertain. In comparable cases, such extreme probabilities have corrected sharply once official draw updates or injury reports emerged, indicating that traders should treat this as a potential arbitrage opportunity rather than a confirmed outcome.

Key catalysts include the official match status confirmation from the tournament organiser and any late entries regarding player fitness or scheduling changes. Traders monitoring this programmatically should set conditional orders to exit the YES position if the match status shifts to “cancelled” or “delayed,” and watch for real-time feeds from 365scores or similar tennis data providers that confirm whether the match is played at the scheduled time [1].

Sources: 1 · 2

Methodology

We track Bunschoten: Tom Gentzsch vs Max Houkes 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

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 Kalshi Fees. 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.