U.S. spot bitcoin exchange-traded funds recorded $201.9 million of net outflows on Friday, Aug. 28, ending nine consecutive positive trading sessions, according to Farside Investors’ issuer-level dataset.
The reversal matters at the start of the weekend because fund creations had supplied a persistent source of regulated-market demand during bitcoin’s sharp August recovery. Coinburn calculates that the products attracted $3.044 billion from Aug. 17 through Aug. 27, excluding weekends. Friday’s outflow equaled about 6.6% of that nine-session total, so it interrupted the trend without erasing most of the preceding inflows.
Bitcoin weakened in a separate, continuously traded market window. CoinGecko’s historical dataset placed its Aug. 28 UTC close at $77,821, down from $80,268 on Aug. 27. That is a decline of approximately 3.05%, calculated by Coinburn from the two observations.
Redemptions were concentrated in three funds
ARK 21Shares’ ARKB recorded the largest Aug. 28 outflow at $114.9 million. Bitwise’s BITB lost $49.7 million, BlackRock’s IBIT lost $33.4 million and VanEck’s HODL lost $13.2 million. Morgan Stanley’s MSBT was the only product with a positive entry, at $9.3 million; the remaining funds in Farside’s row were unchanged.
The distribution distinguishes Friday’s result from a uniform withdrawal across every listed product. ARKB alone accounted for more than half of the net outflow, while several funds showed no movement. It nevertheless marked a clear change from Aug. 27, when the group attracted $242.3 million and extended the positive sequence to nine sessions.
Fund-flow figures are estimates of net creations and redemptions, not ETF trading volume. They do not identify the investors, their motives or the precise timing of any associated bitcoin transactions. Authorized participants may use inventory, and compiled flow tables can be revised after publication. A negative daily total therefore establishes net withdrawals from the fund complex, but not a specific quantity of bitcoin sold on an identifiable spot venue at one price.
A firmer Fed message shaped the risk backdrop
The reversal coincided with Federal Reserve Chair Kevin Warsh’s Aug. 28 keynote at the Jackson Hole Economic Policy Symposium. Warsh said the Fed’s 2% personal-consumption-expenditures inflation objective remained firm and described short-term interest rates as the predominant tool for meeting the central bank’s mandate.
The Associated Press reported that investors increased bets on a future rate increase after the speech. U.S. equities declined modestly during Friday’s session: the S&P 500 lost 0.2%, while the Nasdaq Composite fell 0.5%.
That chronology provides macroeconomic context, not proof of causation. Bitcoin trades around the clock on fragmented global venues, ETF flows are measured over the U.S. securities session, and the Fed speech arrived during that session. The available records cannot isolate how much of bitcoin’s decline reflected monetary-policy expectations, fund redemptions, profit-taking after the August rally or crypto-specific positioning.
The clocks do not match
The latest completed ETF observation covers the Aug. 28 U.S. trading session and became available after the market close. CoinGecko’s $77,821 observation is an aggregated UTC calendar-day close, not the closing auction of a regulated exchange. Its venue mix, cutoff and methodology can differ from individual exchange candles.
Coinburn’s publication window is Aug. 29 in America/New_York, after both observations were available. No completed Aug. 29 UTC close or new U.S. ETF session existed for this edition.
The defensible conclusion is consequently narrow: regulated bitcoin funds moved into net redemptions after nine positive sessions, while bitcoin lost roughly 3% across CoinGecko’s Aug. 28 UTC window. Monday’s finalized fund data will show whether the outflow was a one-session pause or the beginning of a broader reversal.
The complete source packet and revision history are retained with the newsroom record.
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This article provides news and analysis, not investment, legal or tax advice. Digital assets are volatile and may result in total loss.

