PANews, May 5 - According to data from SoSoValue, during the trading week (Eastern Time from April 28 to May 2), Bitcoin spot ETFs experienced a net inflow of $1.81 billion. The Bitcoin spot ETF with the highest net inflow last week was Blackrock's Bitcoin ETF IBIT, which had a weekly net inflow of $2.48 billion, bringing its total historical net inflow to $43.68 billion. The second highest was Grayscale's Bitcoin Trust ETF BTC, with a weekly net inflow of $41.92 million, and its total historical net inflow currently stands at $1.31 billion. The Bitcoin spot ETF with the highest net outflow last week was Ark Invest and 21Shares' Bitcoin ETF ARKB, which saw a weekly net outflow of $458 million. Following a record high in weekly net inflow, the weekly net outflow also reached a historical high, with ARKB's total historical net inflow currently at $2.65 billion. As of May 5, the total net asset value of Bitcoin spot ETFs is $113.15 billion, with an ETF net asset ratio (the market value compared to the total market value of Bitcoin) reaching 5.87%. The total historical net inflow has reached $40.24 billion.