Robinhood’s derivatives arm has opened a set‑1 winner contract for the upcoming Wallin‑Sonego semi‑final in Stockholm, blending sports betting with regulated event‑based trading.
Key points
- Robinhood now offers a set‑1 winner contract for the Wallin‑Sonego semi‑final, with a $1 payout per correct prediction.
- The market operates 24/7 except for a brief Thursday maintenance window and resolves within an hour of the set’s outcome.
- Eligibility is limited to exclude players, coaches, league staff, their families, and anyone with insider information.
Robinhood Derivatives, through its partner Kalshi, has listed a set‑1 winner contract for the ATP Stockholm semi‑final between Sweden’s Olle Wallin and Italy’s Lorenzo Sonego, scheduled for November 7, 2026.
The contract lets traders buy “Yes” or “No” positions on Wallin winning the first set, with a bid of 17¢ and an ask of 20¢ at the time of writing; each contract pays $1 if the prediction is correct, typically within an hour of the set’s conclusion.
Market details
Trading is available 24 hours a day except for a two‑hour window on Thursdays (3 AM‑5 AM ET). If the match is cancelled, postponed, or ends in a retirement before the first set is completed, the market will resolve to a fair price according to the exchange’s rules.
Robinhood stresses that the platform is not affiliated with the ATP or any governing tennis body, and that all trademarks and logos remain the property of their respective owners.
Resolution rules
The exchange restricts participation from current players, coaches, league employees, their immediate families, and anyone holding material non‑public information about the match, following standard prediction‑market prohibitions.
Traders can close positions before resolution or hold contracts to settlement; additional fees may apply, and the full contract terms are accessible via the Robinhood app.
Eligibility restrictions
This offering reflects a broader trend of fintech firms providing event‑based derivatives that blend elements of traditional betting with regulated financial contracts.
Reader questions
What is a prediction market contract?
It is a financial instrument that pays a fixed amount if a specified event outcome occurs, allowing traders to bet on real‑world results within a regulated framework.
How is the contract settled if the match is postponed or cancelled?
If the match does not start, the contract resolves to a fair market price; if postponed, it stays open until the rescheduled match is completed, and if a retirement occurs, settlement follows the exchange’s rules for unconditionally settled outcomes.
Who is prohibited from trading this contract?
Current players, coaches, league employees, owners, their immediate families, and anyone with material non‑public information about the match are barred from trading.
Source: robinhood.com
