SoSoValue's data is interesting; the daily net inflow and maximum inflow don't match, indicating someone is secretly running it.

According to SoSoValue data, yesterday Bitcoin spot ETFs recorded a total net inflow of $131 million. The largest single-day inflow came from BlackRock IBIT, at $144 million, bringing IBIT’s historical net inflow to $65.917 billion. BITB had a daily net inflow of $17.7038 million, with cumulative inflows of $2.086 billion. The largest net outflow yesterday was from Grayscale GBTC, at $31.6357 million, bringing cumulative net outflows to $26.4 billion. As of the time of writing, total net asset value is $1077.46 million, the ETF net asset ratio is 6.61%, and historical cumulative net inflows are $5.863 billion.