**Trader sentiment on the Polymarket "Which CEOs will be out before 2027?" market shows low implied probabilities for most listed executives, with Brian Armstrong (Coinbase) and Sam Altman (OpenAI) leading at roughly 15% and 19-23% respectively, followed by Sundar Pichai (Google) around 12%.** Tim Cook’s succession by John Ternus at Apple has already resolved that outcome to yes following the September 2026 transition. Broader AI-related leadership churn—executive exits at OpenAI, Google DeepMind talent departures, and Microsoft reorganizations around Copilot and agents—has not yet translated into CEO-level instability at the named companies. No official announcements or credible reports indicate imminent departures for the remaining candidates through year-end 2026. The market prices reflect stable board and investor support, typical multi-year CEO tenures at these firms, and the absence of near-term catalysts such as regulatory actions or major performance shortfalls that could force changes. Traders appear to view any shifts as unlikely within the tight remaining window.