U.S. Bitcoin and Ether ETFs See Heavy Outflows as BTC Dips

What to Know

• U.S. spot Bitcoin and Ether ETFs experienced their largest net outflows since November 20, totaling $582 million.
• Mondays have historically been weak for Bitcoin, often coinciding with local lows.
• Bitcoin briefly touched $85,100, with ETF cost basis suggesting support near $83,000.

Bitcoin and Ether ETFs Face Major Withdrawals

On Monday, U.S. spot Bitcoin (BTC) and Ether (ETH) ETFs recorded a combined $582 million in net outflows, marking the largest withdrawals since November 20. Bitcoin ETFs alone saw $357.6 million exit, while Ether ETFs shed $224.8 million, continuing a trend of multi-day redemptions.

These outflows coincided with Bitcoin dropping to around $85,100, as broader market sentiment turned cautious. Analysts point to recurring Monday weakness as a contributing factor.

Mondays Have Been a Pressure Point for Bitcoin

Velo data highlights that Monday ranks as the third-worst performing day for Bitcoin over the past 12 months, behind Thursday and Friday. Several significant local lows throughout 2025 have occurred on Mondays, suggesting that early-week trading may amplify downward pressure in BTC.

ETF Cost Basis Suggests Key Support

A critical level for traders is the ETF cost basis, which represents the average price at which Bitcoin is held within U.S. spot ETFs. Currently, this cost basis sits near $83,000. Historically, this level has acted as a rebound point, including during the lows on November 21 and December 1.

This metric is increasingly watched by traders seeking clues on potential support zones amid volatile market conditions.

Individual ETF Outflows

Among Bitcoin ETFs, Fidelity Wise Origin Bitcoin Fund (FBTC) led redemptions with $230.1 million, while Bitwise Bitcoin ETF (BITB) and ARK 21Shares Bitcoin ETF (ARKB) saw outflows of $44.3 million and $34.3 million, respectively. BlackRock’s iShares Bitcoin Trust (IBIT) remained neutral, reporting no net flows.

For Ether ETFs, the iShares Ethereum Trust (ETHA) accounted for the majority of withdrawals, totaling $139.1 million.

Q&A: ETF Outflows and Bitcoin Support

Why are Monday outflows significant for Bitcoin?

Historically, Mondays have been weak for BTC, often coinciding with local lows. Institutional flows on this day can amplify market moves.

What does the ETF cost basis indicate?

The ETF cost basis shows the average entry price of BTC held by ETFs. Levels near $83,000 have previously acted as support, suggesting potential rebound zones.

Should traders be concerned about Ether ETFs?

Large outflows, like the $139.1 million from ETHA, can increase short-term volatility. Monitoring support and overall market sentiment is crucial.