OpenAI's 97.3% implied probability of remaining independent through 2026 stems primarily from its aggressive pursuit of an IPO at up to $1 trillion valuation after a March 2026 $122 billion funding round at $852 billion, alongside completion of its for-profit public-benefit corporation transition. Traders see no credible acquisition signals in the narrow window left before 2027, reinforced by repeated rebuffs of unsolicited bids like Elon Musk's $97.4 billion offer and OpenAI's focus on smaller tuck-in deals such as Ona and Astral to expand Codex capabilities. While the company's Microsoft partnership and regulatory scrutiny introduce some uncertainty, the scale of any deal plus ongoing IPO preparations make a sudden change of control before year-end highly improbable under current conditions.