[Polymarket: 'OpenAI's valuation will reach $975 billion by September 30' probability rises to 63%, up 30% in 24 hours] Monitoring by the PPP prediction market tool shows that the probability of Polymarket's 'OpenAI's valuation will reach $975 billion by September 30' has risen to 63%, up 30% in the past 24 hours. If by September 30, 2026, OpenAI's private market valuation disclosed on Nasdaq Private Market reaches or exceeds $975 billion, the outcome will settle as 'Yes'; otherwise, it will settle as 'No.' If OpenAI completes an IPO or direct listing during this period, the settlement will also consider the IPO pricing and subsequent public market valuation. Subsequent modifications to historical data by NPM are generally not included unless they correct obvious data errors. Join the PPP signal push community to stay ahead and seize opportunities.