OpenAI's independent trajectory toward a 2027 IPO underpins the 97.3% market-implied probability against an acquisition before then. The company confidentially filed for a U.S. listing in June 2026, raised capital at valuations exceeding $800 billion with talks of $1.5 trillion rounds, and reported over $40 billion in annualized revenue while expanding Codex and frontier large language models. CEO Sam Altman has explicitly delayed any 2026 public debut to address AI safety and alignment priorities, positioning OpenAI as an active acquirer of developer tools and infrastructure firms rather than a target. Traders see limited realistic paths to a pre-2027 deal absent major regulatory intervention or sudden capital shortfalls that contradict its current momentum and competitive stance against Anthropic and Google.