Polymarket's recent announcement opens a new path for investors interested in speculating on private companies, including tech giants like Anthropic and OpenAI. Users can now place bets on significant events such as company valuations and IPO dates, highlighting a growing interest in private equity markets.
These prediction markets, developed in partnership with Nasdaq Private Market, tap into the vast wealth of the private sector, where over 1,600 unicorns are valued at more than $5 trillion. Historically, the general public has faced challenges in investing in these companies until they become publicly traded. Polymarket’s initiative seeks to democratize access, enabling traders to engage with the performance of firms that have previously been out of reach.
Anthropic's Valuation Forecast
One of the most compelling offerings is a market focused on Anthropic's valuation by the end of the year. Current estimates indicate an 88% likelihood that the company will reach a remarkable $1 trillion valuation by December 31. This optimistic forecast positions Anthropic strongly within the competitive AI sector, especially as it competes with established players like OpenAI.
As Polymarket broadens its offerings, other platforms are also joining the market. TradeXYZ's recent launch of pre-IPO futures for companies such as Cerebras and SpaceX reflects a trend where traders can engage with high-profile private companies before they move to public markets. This competition among platforms could change how investors approach private equity.

Competitive Dynamics and Market Implications
The speculation surrounding Anthropic goes beyond mere valuation. Additional contracts suggest a 94% probability that Anthropic will exceed OpenAI in worth by 2026, along with a 69% chance that Anthropic will go public before its rival. These numbers indicate that traders are not only looking for immediate returns but are also assessing long-term competitive positioning.
However, the advent of these prediction markets may have wider implications for the IPO landscape. Some analysts caution that if companies like SpaceX capture the market's attention, it could overshadow other firms aiming to go public. "There’s a possibility it could be a negative for the whole global IPO market," one expert remarked, noting that a singular focus on such high-profile companies could eclipse others. The concern is that a simultaneous IPO surge may result in market saturation, leaving firms struggling to attract investor interest.
As prediction markets gain popularity, they may shape the timing and strategies of companies contemplating public offerings. A crowded IPO calendar could lead to reduced capital flows, with investors potentially favoring well-known names like SpaceX over lesser-known entities.
Looking Ahead
The emergence of prediction markets marks a change in how investors engage with private equity, offering new chances for speculation and investment in companies that are typically inaccessible. As platforms like Polymarket and TradeXYZ innovate, the effects on the IPO market could be significant. Investors will be eager to see how these prediction markets develop and how they might transform the landscape for both private and public companies in the years to come.
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