Is a Bitcoin price crash brewing? As of June 4, 2025, investors could be bracing for a potential downturn as key sell signals emerge. Bollinger Bands creator John Bollinger identified a bearish pattern on the BTC/USD chart that could hint at the “end of rally phase” for BTC price. To make matters worse, Bitcoin’s collapsing 30-day implied volatility (IV), CME futures and options open interest warn confidence among sophisticated investors, raising concerns about a potential Bitcoin price correction.