[Analysis: Bollinger Bands Narrow to Historically Tight Range, Bitcoin Needs to Break $80,000 Resistance] Deep Tide TechFlow reports on April 22, citing Cointelegraph, that Bitcoin's monthly Bollinger Bands have narrowed to their tightest level in history, with technical signals indicating the market may experience significant volatility. The report points out that for Bitcoin to further open up upward potential, it must first break through the resistance near $80,000. At the same time, Bitcoin's monthly RSI has dropped to its lowest level since the end of 2022 and is once again touching a multi-year support trendline. Market data shows strong selling pressure in the $78,000 to $80,000 range; if Bitcoin can break above the $76,000 to $78,000 resistance zone, the price may further test $84,000.