Bitcoin spot ETFs saw a total net inflow of $152 million on December 9, according to SoSoValue data. Fidelity's FBTC ETF led the pack with a single-day net inflow of $199 million, significantly contributing to its historical total net inflow of $12.25 billion. This marks a substantial interest in Bitcoin spot ETFs, with Fidelity's offering taking the lead in recent inflows.