Legendary Analyst John Bollinger Issues Critical Warning for Bitcoin (BTC) John Bollinger, the inventor of Bollinger Bands, has warned that the Bitcoin rally is weakening and that further pullbacks are possible. Continue Reading: Legendary Analyst John Bollinger Issues Critical Warning for Bitcoin (BTC) Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Altcoins - @ June 5, 2025 11:15 am