Robinhood Derivatives LLC has introduced a new event contract prediction market for the Wimbledon Men's Singles Round of 128 match between Jan-Lennard Struff and Sebastian Baez.
The market, launched on June 29, 2026, allows traders to predict the winner of the third set of the match.
Contract Details and Trading Rules
The derivatives contracts are offered through KalshiEX LLC, ForecastEX, LLC, or Rothera Exchange and Clearing LLC.
Correct predictions yield a payout of $1 per contract, with resolution typically finalized within one hour of the event concluding.
Trading is available 24 hours a day, with a scheduled exception on Thursdays from 3:00 a. m.
to 5:00 a. m.
Eastern Time.
If the tennis match faces postponement or delays, the market will remain active and close within two weeks after the rescheduled match concludes.
Restrictions and Prohibitions
Strict trading prohibitions have been implemented for individuals closely tied to the event.
Current and former players, coaches, team owners, and league staff are barred from participating, with restrictions extending to their household members and immediate family.
Additionally, employees of the involved source agencies and individuals holding material, non-public information are disqualified from trading.
In the case of a player retirement, contracts that can be unconditionally settled based on completed play will resolve accordingly, while remaining markets will resolve to a Fair Market Price determined by the Exchange.
