Prediction markets and betting
This theme covers online sportsbooks and the brokers and exchanges that offer event contracts, which pay out depending on the result of a real-world event. It does not include prediction market platforms that are not publicly listed. Members were chosen because betting or event contracts are a reported part of the business.
Companies
By tier, with the last 12 months of insider, congressional, contract and lobbying activity.
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Tiers
How much of each company the theme explains.
- Sportsbooks3 companies
- Exchanges and brokers with event contracts3 companiesEvent contracts are a small part of each of these businesses.
How this list is chosen
Last reviewed Oct 27, 2026.
A listed company is included when it runs a regulated sportsbook, or offers, or has a disclosed investment in, event-contract markets. Membership is reviewed twice a year, in March and September, and every change is logged below.
Change log
- Oct 27, 2026First list published with 6 companies.
The case commonly made
What supporters of the theme usually argue. Not our view.
- Supporters point to online betting becoming legal in a growing number of US states.
- The case usually made is that event contracts give people a way to trade on the outcome of news, sports and data releases.
- Supporters argue that exchanges and brokers can add event contracts to their existing customers and systems.
Risks commonly cited
What critics and cautious investors usually raise. Not our view.
- Critics note that gambling and event contracts face changing state and federal rules and legal challenges.
- Risks often raised include high marketing costs, taxes on betting revenue and competition among operators.
- Critics note that event contracts are still a small part of the exchange and brokerage members.
Funds with an overlapping focus
Shown for reference. Their holdings and rules differ from this theme, and listing them is not an endorsement.
- BETZRoundhill Sports Betting & iGaming ETF
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Using 13F.ai, which companies on the "Prediction markets and betting" list had insider buying or selling, or trades by members of Congress, in the last 90 days? Show the filings.
Using 13F.ai, compare the companies on the "Prediction markets and betting" list by federal contracts and lobbying spend over the last 12 months.
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A theme is a list of companies with something in common, chosen under a published rule. It is information, not a recommendation or investment advice. Activity figures come from public filings, each linked on the company's page; none of it predicts what a price will do. Disclaimer.