Polymarket has introduced a new prediction market platform that allows users to trade contracts based on the performance of private companies for the first time. The New York-based company launched this service on May 19, 2026, in collaboration with Nasdaq Private Market, which provides data on non-public companies.
Users on Polymarket can now buy and sell event contracts tied to private companies’ valuation milestones, plans for initial public offerings (IPOs), and activities in secondary markets. The platform began offering select private company markets on launch day, with additional markets expected to be added continuously.
Prediction markets function by allowing users to wager on future outcomes by purchasing “yes” or “no” contracts on specific event questions. Polymarket previously enabled trading on topics such as sports, politics, and culture. This expansion into private company markets opens access beyond institutional investors and high-net-worth individuals, allowing a wider audience to engage in speculation related to private business valuations and anticipated IPOs.
Shayne Coplan, founder and CEO of Polymarket, highlighted that the new markets permit individuals “for the first time” to participate in events influencing the value of significant private companies. Similarly, Rodolfo Sanchez, vice president of data at Nasdaq Private Market, noted that the trades provide a “real-time signal” for investors to track private market performance.
Polymarket’s move puts it in competition with other platforms like Kalshi, which offers contracts on when companies such as SpaceX and OpenAI might go public. By providing public access to private company data through market speculation, Polymarket aims to democratize exposure to private firm valuations ahead of IPO launches.
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