Milestones in Bitcoin ETF Inflow History

The recent week saw $1.92 billion in net inflows, marking the strongest weekly performance for US spot Bitcoin ETFs since October 2025.

The top 3

  1. Top Three Weeks for Overall Bitcoin ETF Inflows: The week ending August 21, 2026, saw $1.92 billion in inflows, making it the strongest since October 2025. Another significant week was in October 2025, when $2.71 billion flowed in, following a major Bitcoin crash.
  2. Record Single-Day Inflows for Spot Bitcoin ETFs: The largest single-day inflow for spot Bitcoin ETFs since May 1 was $606.29 million on August 20, 2026, with BlackRock's IBIT contributing over 80% of that total.
  3. How Current Inflows Compare to Initial Launch Period Records: Cumulative net inflows for US spot Bitcoin ETFs reached $53.7 billion by August 21, 2026, building significantly on the initial launch period in January 2024.

Sources

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