BlackRock’s Bitcoin ETF just posted its worst single-day outflow ever at $527.8M
BlackRock’s iShares Bitcoin Trust, better known by its ticker IBIT, saw roughly $527.8 million walk out the door on November 18. That’s the largest single-day net outflow in the fund’s history, surpassing the previous record of $463 million set just four days earlier on November 14.
A brutal November for IBIT
The record outflow was part of a five-day redemption streak that collectively exceeded $1.4 billion. November 2025 is shaping up to be IBIT’s worst month for outflows since the fund launched in January 2024, with cumulative withdrawals surpassing $2 billion for the month.
The outflows were driven entirely by investor redemptions. BlackRock didn’t decide to lighten its Bitcoin position. Its clients did.
The timing lines up neatly with a broader Bitcoin price decline, as the cryptocurrency slipped below the $90,000 to $93,000 range.
The bigger picture still favors IBIT
Despite November’s bloodletting, the fund has accumulated more than $25 billion in net inflows for the full year of 2025. That figure dwarfs the recent outflows by an order of magnitude.
IBIT remains the dominant player in the spot Bitcoin ETF market, a position it has held since essentially day one. The fund’s launch in January 2024 was one of the most successful ETF debuts in history, and its lead over competitors has only grown since then.
What this means for investors
When Bitcoin was climbing steadily earlier in 2025, IBIT was a magnet for capital. The $25 billion in annual net inflows tells that story clearly. But when prices retreat, these same investors don’t behave like long-term Bitcoin holders. They redeem. Quickly, and in size.
Large ETF outflows mean the fund’s authorized participants need to sell Bitcoin on the open market to process redemptions. That selling pressure can push prices lower, which triggers more redemptions, which creates more selling pressure.
Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.
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