Intense AI competition and talent poaching are the main forces elevating probabilities in the "Which CEOs will be out before 2027?" market, with traders assigning the highest implied odds to names like Sam Altman at OpenAI and Brian Armstrong at Coinbase amid ongoing leadership churn. Apple’s AI chief John Giannandrea stepped down in late 2025 after Siri delays and internal confidence issues under Tim Cook, while Meta’s aggressive recruitment has triggered waves of departures from Apple, Google DeepMind, and OpenAI, including multiple C-level exits at the latter tied to strategy and health concerns. Broader patterns show AI accelerating CEO tenures as boards seek leaders fluent in model deployment, agentic systems, and enterprise integration, with recent examples including Google DeepMind restructuring and Microsoft-linked transitions. Key near-term catalysts include upcoming earnings calls, product roadmaps, and any regulatory scrutiny on AI safety that could prompt further board actions.