On December 4, 2025, Bitcoin ETFs suffered record outflows of $194.6 million, a level not seen in two weeks. This sudden movement raises the question: is it a simple adjustment or a harbinger of a deeper downward trend in December?
In brief
- Bitcoin ETFs recorded $194 million in withdrawals on December 4, 2025, a level not seen in two weeks.
- The massive outflows from Bitcoin ETFs are due to the closure of “basis trades” by institutional investors.
- Relative stability of bitcoin, but macroeconomic risks for the end of 2025.
Bitcoin ETF: Massive $194 Million Outflow — What’s Happening?
On December 4, 2025, Bitcoin ETFs saw net outflows of $194.6 million, according to Farside Investors. BlackRock's IBIT fund alone accounted for $113 million in outflows, followed by Fidelity's FBTC with $54.2 million. These figures contrast with five consecutive days of capital inflows before this hemorrhage.
The causes are multiple. First, the closure of “basis trades” by institutional investors, a strategy of buying Bitcoin ETFs while selling futures contracts to lock in low-risk profits. Then, macroeconomic fears, notably the anticipation of an interest rate increase by the Bank of Japan on December 19, weigh on the markets. These factors combined explain this massive outflow, the highest in two weeks.
Why are institutional investors abandoning BTC?
For some analysts, these massive outflows of $194 million from Bitcoin ETFs reflect a disengagement from leveraged positions, often used by institutional investors. In addition to the risks associated with “yen carry trade”a practice where investors borrow in yen to invest in more profitable assets, such as BTC. A rise in Japanese rates could make this strategy less attractive.
Others, moreover, believe that the current selling pressure comes from institutions closing their “basis trades” ! This, with a gradual consolidation of the market in 2026, after this retracement phase. Arthur Hayes, had already pointed out these strategies as responsible for the massive outflows from Bitcoin ETFs in recent months.
Bitcoin: a dark December in sight?
Despite the record outflows, the price of BTC remained relatively stable, with a decline limited to 1.7% over 24 hours and 0.5% over seven days. However, the monthly trend remains negative, with a fall of 10.5% in November. Does this apparent stability hide a deeper fragility?
The outlook for December is mixed. On the one hand, macroeconomic risks, such as rising rates in Japan, could increase pressure on bitcoin. On the other hand, the closure of basis trades could mark the end of a sales cycle, paving the way for stabilization. For investors, caution is required: monitoring ETF flows and central bank announcements will be crucial to anticipate market movements.
Massive outflows from Bitcoin ETFs raise questions about market resilience. If analysts agree on institutional disengagement, the outlook for December remains uncertain. One thing is certain: investors will need to remain attentive to macroeconomic signals and capital flows. Should we see this as a buying opportunity or a sign of increased caution?
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