Prediction markets / Baseball

St. Louis vs Arizona: Spread

Arizona wins by over 1.5 runs55¢
Arizona wins by over 2.5 runs34¢
Arizona wins by over 3.5 runs23¢
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Timeline

Trading hours
24 hours a day, except Thursday 3AM-5AM ET
Event day
July 18, 2026
Contract resolves
Determines the outcome of the contract
Payout
Usually within 1 hour of event resolution

About

What will be the margin of victory in the STL vs AZ (Jul 18) professional baseball game? Get $1 for every contract you own if your prediction is correct. Or close your position before the event resolves. Additional fees apply. Read the full contract terms and conditions

Trading prohibitions

  • Persons who are employed by any of the Source Agencies are not permitted to trade on the Contract.
  • Persons who hold any material, non-public information on the Underlying are not permitted to trade on the Contract.

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Event contracts are offered by Robinhood Derivatives, LLC through either KalshiEX LLC, ForecastEX, LLC or Rothera Exchange and Clearing LLC.