Bitcoin closed October 2025 with a 3.93% decline, marking its first negative October since 2019 and ending a six-year streak of positive Uptober returns. Despite this monthly setback, Bitcoin has gained 20% year-to-date, buoyed by institutional adoption from major firms like MicroStrategy and BlackRock. Analysts attribute the October decline to historical patterns of consolidation following strong gains. On-chain data indicates that long-term holders maintained confidence during the dip, suggesting a continued bullish outlook among seasoned investors.