Bitcoin spot ETFs experienced a significant net outflow of $171 million on March 26, with BlackRock's IBIT leading the decline with a $41.9 million outflow. Data from SoSoValue highlights that BlackRock's IBIT, despite the outflow, maintains a cumulative net inflow of $63.3 billion. Bitwise's BITB followed with a $33.1 million outflow, contributing to its cumulative net inflow of $2.087 billion. The total net asset value of spot Bitcoin ETFs stands at $88.356 billion, representing 6.4% of Bitcoin's total market capitalization. Since inception, these ETFs have accumulated net inflows of $56.16 billion, reflecting their significant role in the cryptocurrency market.