According to SoSoValue data, the total net inflow of Bitcoin spot ETFs was US$275 million yesterday (December 18, Eastern Time).

Yesterday, Grayscale ETF GBTC had a single-day net outflow of US$35.9401 million. The current historical net outflow of GBTC is US$21.148 billion.

Grayscale Bitcoin Mini Trust ETF BTC had a net outflow of $0.00 per day, and the current total net inflow of Grayscale Bitcoin Mini Trust BTC is $1.042 billion. The Bitcoin spot ETF with the largest net inflow in a single day yesterday was BlackRock ETF IBIT, with a net inflow of $360 million per day, and the current total net inflow of IBIT is $37.402 billion.

As of the time of publication, the total net asset value of the Bitcoin spot ETF is $115.78 billion, with an ETF net asset ratio (market value relative to Bitcoin's total market value) reaching 5.8%, and the historical cumulative net inflow has reached $37.009 billion.