Intercontinental Exchange completed a $600 million investment in Polymarket on March 27, bringing its total stake to $1.6 billion and fulfilling the commitment made in October 2025.
The New York Stock Exchange parent company also plans to purchase up to $40 million in securities from existing holders.
The transaction values Polymarket at roughly $9 billion, trailing rival Kalshi's $22 billion valuation following its $1 billion fundraise earlier this month.
ICE's investment gives it global distribution rights to Polymarket's event-driven data, which the exchange operator intends to package for institutional clients.
Data Play Drives Investment Rationale
ICE's stake is structured around data monetization rather than pure venture returns.
The company launched Polymarket Signals and Sentiment in February 2026, converting real-time prediction market pricing into structured feeds for institutional traders.
ICE Chair Jeffrey Sprecher framed the investment as a "new layer of financial intelligence" rather than a traditional equity play.
Polymarket processed $23.2 billion in trading volume during February 2026, up over 1,200% year-over-year.
The platform plans to implement taker fees across all categories on March 30, potentially generating approximately $300 million in annualized revenue based on recent 30-day volume.
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Regulatory Headwinds Accelerate
The investment comes amid intensifying scrutiny from lawmakers. Massachusetts Rep. Seth Moulton banned his staff from trading on prediction markets this week, citing insider trading concerns.
Bipartisan lawmakers introduced the PREDICT Act in early March to extend similar restrictions to Congress members, senior officials, and their families.
California Governor Gavin Newsom signed an executive order on March 27 prohibiting state officials from using insider information on prediction markets.
Senators have separately proposed bans on sports contracts and war-related markets following controversial bets on U.S. military strikes and political events.
Kalshi's $22 billion valuation - achieved less than a year after its $2 billion mark in June 2025 - came after winning a CFTC court battle that cleared the way for election contracts.
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