Data compiled by Woofun AI shows that Bitcoin spot ETFs experienced a collective net outflow of $90.6566 million on June 18 (Eastern Time). The primary driver of this capital withdrawal was BlackRock's IBIT, which recorded a significant net outflow of $96.6552 million, despite its historical cumulative net inflow reaching $62.07 billion. Conversely, Morgan Stanley's MSBT emerged as the top performer for inflows, attracting $10.4337 million and bringing its total historical net inflow to $301 million.

As of the reporting period, the aggregate net asset value of Bitcoin spot ETFs remains at $78.325 billion. The ETF net asset ratio, measuring market value against total Bitcoin market capitalization, sits at 6.19%. The sector's historical cumulative net inflow has now totaled $53.398 billion.