The partnership includes strict integrity rules that bar high-risk contracts, such as individual pitches or managerial decisions, to guard against manipulation. MLB will receive significant revenue — industry estimates place the value between $150 million and $300 million over three years — while gaining better visibility into trading activity that could flag suspicious patterns.
FAQ – What is the Polymarket-MLB deal? MLB named Polymarket its exclusive official prediction market partner, granting rights to use league logos and data while adding integrity safeguards. – Why did MLB partner with the CFTC? The memorandum of understanding creates an information-sharing framework to detect manipulation and protect game integrity in prediction markets. – How much is the deal worth? Estimates range from $150 million to $300 million over multiple years, with Polymarket paying MLB for the sponsorship and data rights. – When does the partnership start? The agreement was announced on March 19, 2026, and will roll out ahead of the 2026 MLB season that begins next week.Latest News

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