Polymarket, the platform that became a household name during the 2024 US presidential election, is making its most ambitious move yet into financial markets. The company has launched a dedicated IPO prediction hub where traders can bet on whether private companies will go public, and at what valuations.
The early lineup reads like a who’s-who of Silicon Valley’s most-watched private companies: OpenAI, Anthropic, Stripe, Kraken, and SpaceX, among others.
What the markets are actually saying
The IPO hub currently features 20 active markets with over $20.3 million in trading volume.
Here’s how it works. Participants buy shares representing “yes” or “no” on a specific outcome, like whether a company will IPO before a certain date. If you’re right, your share pays out $1 at resolution. If you’re wrong, it’s worth zero. The trading price of those shares, then, functions as a real-time probability estimate.
SpaceX sits at 99% odds for going public before 2027. Anthropic’s odds for the same timeframe come in at 65%, while OpenAI sits at just 32%.
That OpenAI number is worth pausing on. The company has been in constant headlines about a potential restructuring from its nonprofit governance model, which many observers see as a prerequisite for any public listing. The market, apparently, isn’t convinced that process wraps up quickly enough to hit a 2027 IPO window.
Why prediction markets for IPOs make sense
Valuation and timing information about private companies has historically lived behind expensive paywalls. Secondary market platforms like Forge Global and EquityZen give some price discovery, but they’re accessible mainly to accredited investors.
The focus on AI, fintech, and crypto unicorns is deliberate. These are the sectors Polymarket’s user base already follows obsessively.
The bigger picture for prediction markets
Some analysts have projected that the prediction market sector could grow to $1 trillion in annual trading volume by 2030.
There’s also a regulatory dimension. Polymarket operates primarily outside the US for its core markets, navigating a regulatory landscape that remains uncertain. The CFTC has historically taken a skeptical view of event contracts that resemble securities or commodities, and prediction markets on company valuations and IPO timelines could attract fresh scrutiny.


