Trader consensus on the Polymarket "Which CEOs will be out before 2027?" market assigns near-certain implied probability to Tim Cook departing Apple, driven by the confirmed succession plan naming hardware engineering lead John Ternus as successor effective September 2026. Elevated tech CEO turnover amid AI model transitions and competitive pressures has shaped broader sentiment, though other named outcomes such as Sundar Pichai at Google, Andy Jassy at Amazon, Sam Altman at OpenAI, and Brian Armstrong at Coinbase trade at single-digit to low double-digit percentages absent concrete announcements or credible reporting of imminent exits. Key upcoming catalysts include quarterly earnings, developer events, and regulatory developments that could surface leadership signals or accelerate board pressure in the final months of the resolution window through December 31, 2026.