Woofun AI data shows that the Coinbase Bitcoin premium index has maintained a negative premium for two consecutive months, spanning from May 19 to July 19. This 62-day duration exceeds the previous record of 40 consecutive days observed between January 16 and February 24 this year. The latest index value stands at -0.0633%, marking the longest continuous negative period since the indicator's inception, surpassing the approximately 30-day streak during the "1011 crash".