OpenAI’s confidential SEC filing in June 2026 initially fueled expectations of a potential late-year listing, yet CEO Sam Altman’s September 12 statement explicitly ruled out a 2026 IPO, citing the need to address AI safety and alignment priorities as a private company. This positions the 96.5% market-implied probability of no IPO by December 31, 2026 as a reflection of clear executive guidance and internal readiness gaps rather than temporary market volatility. Trader consensus aligns with the company’s March 2026 $852 billion post-money valuation and ongoing discussions around a potential $1.2–1.5 trillion pre-IPO round, underscoring that near-term public-market access remains unlikely absent rapid resolution of regulatory or safety hurdles. A sudden shift in Altman’s stance or unexpectedly favorable market conditions could still introduce optionality before year-end.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertMarket consensus solidifies on no OpenAI IPO by end of 2026
No IPO by December 31, 2026 jumps to 97%5%
By late September 2026, market prices reflected a 97% probability that OpenAI would not complete an IPO by December 31, 2026, driven by ongoing delays and internal signals favoring a 2027 listing.
Investors reportedly value OpenAI near $1.2 trillion while it seeks more
Coverage reported that investors were offering a valuation around $1.2 trillion while OpenAI was seeking as much as $1.5 trillion. The valuation ambition supported the highest brackets, but the lack of a confirmed listing kept timing risk dominant.


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