October 2025 brought a decisive shift in crypto market sentiment following consolidation and low volatility in September. After holding above $120,000 in Q3, Bitcoin’s breakdown below the psychological $100,000 mark triggered a broad risk-off rotation across the digital asset landscape. The total cryptocurrency market capitalization declined to around $3.4 trillion, marking a 20% month-over-month contraction from the range of $4.2 trillion in September.