Bitcoin ETFs Wipe Out $5.7 Billion 2026 Flow Shortfall as Inflows Rebound

U.S.-listed spot Bitcoin ETFs have eliminated a $5.7 billion 2026 flow deficit as demand rebounded, fueled by a sharp pickup in buying. According to SoSoValue, the group has taken in more than $1.7 billion so far this week, including $999 million on Sept. 21 and $715 million on Sept. 22. At the current pace, the funds are on track to post their strongest inflow week of the year, topping the roughly $1.92 billion recorded through Aug. 21. BlackRock's iShares Bitcoin Trust pulled in an estimated $1.02 billion over four trading sessions, based on Arkham Intelligence figures. The deficit had widened to $5.69 billion by July 13. Since that low, about $6.04 billion has flowed back into the products, Askthetape data show, lifting the year-to-date net inflow to about $349 million. Roughly $3.17 billion of the rebound came in the past 30 days. Bloomberg Intelligence ETF analyst Eric Balchunas said renewed demand began accelerating in August. He pointed to comments from Treasury Secretary Scott Bessent signaling increased purchases of longer-dated government bonds, a development some traders saw as indicating strain in long-duration debt markets. Over the same stretch, Bitcoin climbed about 35% from around $64,100 to above $85,000, while the ETFs absorbed roughly $4.6 billion. The average cost basis for Bitcoin held via these funds is estimated near $82,000, meaning a move above $85,000 put the typical ETF investor back into unrealized gains. Bitcoin hit $87,265 in the past 24 hours. CryptoSlate data show it was trading at $84,589 at the time of publication. CryptoQuant reported that as Bitcoin neared $88,000, short-term holders sent about 47,600 BTC held at a profit to exchanges, worth more than $4 billion at prices around $85,000. Exchange deposits do not necessarily indicate the coins were sold, but the jump suggests profitable short-term holders became more active near the local high. Analytics firm Santiment cautioned that strong ETF demand can also be a warning sign. It said unusually large ETF inflows have repeatedly clustered around local market turning points, and the latest surge matches that pattern after Bitcoin gained about 35% over the past month. Santiment added that inflows do not guarantee an immediate reversal and that sustained buying can continue to push prices higher. Santiment said outsized creations can coincide with rising euphoria, leaving the market more exposed if marginal demand fades. Ongoing ETF creations would help absorb supply, but if fund demand slows while short-term holder deposits remain elevated, Bitcoin may become increasingly dependent on other spot buyers to extend the rally.