**Sam Altman’s September statements prioritizing AI safety and alignment have become the dominant factor shaping trader views on OpenAI’s IPO timeline.** The CEO explicitly ruled out a 2026 listing, calling it “ill-advised” amid rapid capability gains and the need for confident safety claims before scaling further, shifting consensus toward 2027. OpenAI confidentially filed its S-1 in June and is now pursuing a roughly $30 billion private round at around $1.4 trillion valuation as a bridge, supported by annualized revenue approaching $70 billion. Rival Anthropic’s planned fall listing and ongoing internal safety work represent near-term catalysts that could influence sentiment, while the absence of a firm post-2026 date leaves room for timeline shifts based on model progress or regulatory developments.