Tom Lee calls for a new bitcoin ATH in January, while warning of a volatile 2026

The Fundstrat co-founder and Bitmine chair said bitcoin has yet to peak in January and reiterated his belief that ether is ‘dramatically’ undervalued. What to know : Tom Lee of Fundstrat Global Advisors predicted Bitcoin could reach a new all-time high by the end of January 2026. Lee forecasted a volatile but ultimately positive year for crypto markets in 2026, with a strong second half. He projected the S&P 500 to hit 7,700 by the end of 2026, driven by resilient corporate earnings and AI-driven productivity gains.