Bitcoin Reverses Monthly Gains as Analysts Debate Support Levels and Market Sentiment

Bitcoin has reversed its entire monthly gain, falling approximately 10.9% from its intra-month high, with analysts noting important support at $80,000. The Coinbase Bitcoin negative premium index continues to widen, indicating selling pressure from U.S. investors. Market sentiment shows some easing of bearishness, with the probability of Bitcoin falling to $85,000 by January rising to 49% on Polymarket.