US Open Prediction Markets
Robinhood lists prediction contracts for the US Open and upcoming professional tennis matches.
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Key Points
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For the Shelton–Tsitsipas market, a match that does not begin—defined as no ball being played—because of an injury, walkover, forfeiture or other cancellation will be settled at a fair price under the applicable rules.
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If the Shelton–Tsitsipas match is postponed or delayed, the market will remain open and close after the rescheduled match, provided it is completed within two weeks.
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In the event of a retirement, markets that can be settled unconditionally from the play already completed will resolve accordingly; other markets may be settled at a fair market price determined at the exchange’s sole discretion.
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Robinhood says the event contracts are offered by Robinhood Derivatives through KalshiEX, ForecastEX or Rothera Exchange and Clearing, while the Shelton–Tsitsipas listing states that Kalshi is not affiliated with or officially connected to the governing league.
Robinhood is opening prediction markets on five professional tennis matches scheduled for September 6, 2026. Contracts on matchups like Sanjaya vs. Patton and Schunk vs. Oz will pay $1 if your prediction is correct. The platform is also listing a separate market on the game differential for Ben Shelton vs. Stefanos Tsitsipas in the 2026 U.S. Open men's singles Round of 16.
How the Tennis Contracts Work
Each prediction-market contract offered through Robinhood Derivatives pays $1 if you correctly predict the outcome. The contracts are listed on KalshiEX, ForecastEX, or Rothera Exchange and Clearing. Traders can bet on individual match winners or specific metrics like game differentials. All trades carry eligibility restrictions and involve significant trading risk.
What Happens If a Match Gets Postponed or Cancelled
If a match never begins—due to injury, walkover, or forfeiture—Robinhood will settle contracts at a fair price under the exchange's rules. If a match is delayed or postponed, the market stays open and closes only after the rescheduled match is completed, as long as play resumes within two weeks. This means traders must wait for the match to actually happen before getting paid out.
Retirement and Partial Match Rules
If a player retires mid-match, Robinhood will settle markets that can be definitively resolved from the play already completed. Other markets may be settled at a fair market price at the exchange's sole discretion. This gives the platform flexibility to handle edge cases where a winner is unclear but the match outcome is partially played out.
U.S. Open Market Has No Official League Affiliation
The Shelton–Tsitsipas market listing for the 2026 U.S. Open explicitly states that Kalshi is not affiliated with or officially connected to the governing league. This distinction matters for traders who assume official endorsement. Robinhood emphasizes that prediction markets carry significant risk and that eligibility requirements and trading restrictions apply to all participants.
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