Polymarket traders see a 90% probability that OpenAI's market capitalization will land below $1.25 trillion at the close of its first trading day, according to data from the leading prediction platform. The contract, which has seen $520,000 in volume, reflects a broad consensus that the company's public debut will fall short of the lofty $1.25T–$1.5T bracket, despite the hype surrounding its generative AI products. No other prediction markets currently track this event, limiting cross-platform comparison, but the Polymarket data alone suggests a clear expectation of a more modest valuation.
The 10% chance of OpenAI hitting the $1.25T–$1.5T range implies that traders see significant headwinds, including potential regulatory scrutiny, competition from rivals like Google and Anthropic, and the capital-intensive nature of scaling AI infrastructure. Without specific news triggers, the odds appear driven by broader market sentiment around tech valuations and the challenges of sustaining high growth in a maturing AI sector. The lack of a clear catalyst means the probability could shift rapidly with any major announcement, such as a partnership, funding round, or earnings preview.
For context, a $1.25 trillion valuation would place OpenAI among the world's most valuable companies, rivaling giants like Meta and Tesla. The current market expectation of a sub-$1.25T debut suggests that traders are pricing in a more cautious outlook, perhaps reflecting concerns about profitability and the timeline for monetizing advanced AI models. As the IPO date approaches, the odds will likely react to any new financial disclosures or strategic moves by the company.