BlackRock’s iShares Bitcoin Trust (IBIT), the dominant force in the spot Bitcoin ETF market throughout 2024, recorded its first significant outflow in months as the broader cryptocurrency market experienced a sharp year-end correction. The development marked a turning point for the flagship ETF that had been on a record-setting inflow streak, drawing attention to the growing influence of institutional flows on Bitcoin’s price dynamics.
TL;DR
- BlackRock’s IBIT ended its record 16-day inflow streak on December 18, 2024
- IBIT suffered a $72.7 million outflow on December 20, its largest single-day outflow since launching in January
- Fidelity’s FBTC recorded its highest-ever outflow of $208.5 million on December 19
- Total Bitcoin ETF market saw $671.9 million in outflows on December 19, followed by $277 million on December 20
- Bitcoin traded at approximately $95,100 on December 22, down from its all-time high of $107,796 reached on December 17
The End of an Extraordinary Streak
BlackRock’s IBIT had been the undisputed leader in the Bitcoin ETF space since its launch on January 11, 2024. The fund had enjoyed a remarkable 16 consecutive days of positive inflows, contributing to cumulative historical inflows for Bitcoin spot ETFs that reached $35.9 billion by late December. However, the streak came to an end on December 18, when the fund recorded zero flows for the day.
The situation deteriorated further on December 20, when IBIT registered an outflow of $72.7 million — the highest single-day outflow since the fund’s inception. While the amount represents a small fraction of IBIT’s total assets under management, the symbolic significance of the outflow sent ripples through the market, raising questions about whether institutional enthusiasm for Bitcoin was beginning to wane after the cryptocurrency’s explosive rally.
Broad ETF Market Feels the Pressure
BlackRock was not alone in experiencing outflows. Fidelity’s Wise Origin Bitcoin Fund (FBTC) recorded its highest-ever outflow of $208.5 million on December 19, according to data from Farside Investors. The following day, FBTC registered a second consecutive outflow worth $71.9 million, compounding the negative sentiment.
The combined effect was devastating for the broader Bitcoin ETF market. On December 19, total outflows across all spot Bitcoin ETFs reached a staggering $671.9 million — one of the largest single-day outflow events since the products launched. December 20 saw another $277 million exit the market, marking two consecutive days of significant outflows.
Context: A Year of Extraordinary Growth
The outflows came during a period of remarkable growth for the Bitcoin ETF ecosystem. As of late December 2024, Bitcoin spot ETFs held a combined net asset value of approximately $109.3 billion, representing 5.73% of Bitcoin’s total market capitalization. Ethereum spot ETFs, which launched in July 2024, held $12.1 billion in net assets, accounting for 2.99% of Ethereum’s market cap.
The timing of the outflows coincided with Bitcoin’s retreat from its all-time high of $107,796, reached on December 17. By December 22, Bitcoin had fallen to approximately $95,105 — a decline of nearly 12% in just five days. The pullback erased billions in market capitalization and triggered significant liquidations in the derivatives market.
MicroStrategy’s Massive Bet Casts a Shadow
The ETF outflows occurred against the backdrop of MicroStrategy’s enormous Bitcoin accumulation. As of December 22, 2024, MicroStrategy and its subsidiaries held a total of 444,262 Bitcoins, purchased at a cumulative cost of approximately $27.7 billion at an average price of around $62,257 per Bitcoin. The company’s aggressive buying strategy, funded in part by debt issuance, has made it the largest corporate holder of Bitcoin in the world.
However, the late-December price decline also put pressure on recent corporate purchases. MARA Holdings, one of the largest Bitcoin mining companies, had raised $1.925 billion to purchase 15,574 BTC at an average price of $98,529 — roughly $3,500 above Bitcoin’s December 22 trading price, temporarily putting those purchases underwater.
What the Outflows Signal for 2025
Market analysts remain divided on whether the ETF outflows represent a temporary correction or the beginning of a broader trend. Some view the profit-taking as a natural response to Bitcoin’s rapid ascent past $100,000, while others point to the fundamental strength of institutional demand as evidence that the pullback will be short-lived.
The Federal Reserve’s December meeting, which signaled a more cautious approach to rate cuts in 2025, may have contributed to the risk-off sentiment across financial markets. With inflation concerns persisting and the central bank projecting fewer rate reductions than previously anticipated, investors appeared to be reducing exposure to risk assets including Bitcoin.
Despite the outflows, the overall trajectory of Bitcoin ETF adoption remains strongly positive. The products have fundamentally changed how institutional and retail investors access Bitcoin exposure, and their cumulative assets under management continue to grow on a net basis. The two-day outflow, while notable, represents a relatively small interruption in what has been a transformative year for Bitcoin investment products.
Why This Matters
The first significant outflows from BlackRock’s IBIT and the broader Bitcoin ETF market demonstrate that institutional capital flows are now a primary driver of Bitcoin’s price action. The $671.9 million single-day outflow on December 19 shows how quickly sentiment can shift in the ETF-driven era of Bitcoin investing. As these financial products continue to grow, their inflow and outflow patterns will increasingly define Bitcoin’s market structure, creating both new sources of demand and new vectors for volatility. Understanding these dynamics is essential for anyone navigating the Bitcoin market in 2025 and beyond.
Disclaimer: This article is for informational purposes only and does not constitute financial advice. Cryptocurrency investments carry significant risk, and past performance does not guarantee future results. Always conduct your own research before making investment decisions.
ibit ending its 16 day inflow streak was inevitable nothing goes up forever but 671 million in total outflows is a big number
fidelity fbtc recording its highest ever outflow of 208 million on the same day is more concerning than the ibit numbers
year end tax loss harvesting explains a lot of these outflows people locking in gains before the new year
the speed at which etf flows now move btc price is wild a single day of outflows wiped billions from the market