Grayscale (GBTC) had daily outflows of $300 million to $400 million in the past few days, but suddenly dropped to less than $80 million on the evening of March 12th. In addition, BlackRock (IBIT) had a record high inflow of $850 million on the evening of March 12th. As a result, the net daily inflow of the ten BTC spot ETFs exceeded $1 billion for the first time since their inception on March 12th. The net inflow of funds for the ten BTC spot ETFs on March 12th was $1.04508 billion, corresponding to a net inflow of about 14,639 BTC to ETF custody addresses after the opening of the US stock market on the evening of March 13th: ? Outflow: Grayscale (GBTC) and Grayscale Bitcoin Trust (BTCO) had an outflow of about 1,381 BTC (corresponding to a fund outflow of $98.63 million on March 12th); ? Inflow: The remaining eight ETFs had an inflow of about 16,020 BTC (corresponding to a fund inflow of $1.14371 billion on March 12th), led by BlackRock (IBIT), which had an inflow of 11,891 BTC ($848.98 million). Currently, the ten BTC spot ETFs hold a total of 810,085 BTC (worth $57.83 billion).