In a significant development for the cryptocurrency market, data from SoSoValue indicates that the total net inflow of **Bitcoin spot ETFs** reached an impressive **$6.09 billion** on May 21 (Eastern Time). Leading the charge was the **Blackrock ETF IBIT**, which secured a remarkable **single-day net inflow of $5.31 billion**. This surge brings IBIT’s total historical net inflow to an astounding **$46.677 billion**, underscoring its dominance in the sector.
Following closely behind, the **Fidelity ETF FBTC** recorded a modest **single-day net inflow of $23.527 million**, contributing to its cumulative total of **$11.83 billion**. As of now, the **net asset value** of Bitcoin spot ETFs stands at **$129.015 billion**, with a net asset ratio of **6%** relative to the total market value of Bitcoin. Cumulatively, the historical inflow for these ETFs has now reached **$43.38 billion**, reflecting robust investor confidence in cryptocurrency as a viable asset class.