U.S. spot Bitcoin ETFs drew approximately $2.4 billion in net inflows during the week ended September 25, their strongest weekly total since October 2025. The surge helped reverse a steep outflow trend that had defined much of 2026, even as Bitcoin pulled back from levels above $87,100.

Spot Bitcoin ETFs, which began trading on U.S. exchanges in January 2024, hold Bitcoin directly and are widely followed as a barometer of institutional participation in digital assets, making the week's reversal notable after a difficult stretch for the category.

Momentum was front-loaded: nearly $1 billion entered the funds on September 21, though daily inflows slowed steadily through Friday. According to CoinDesk, the funds moved back into positive territory for 2026 after previously carrying a year-to-date deficit of roughly $5.8 billion.

Demand Cools as Bitcoin Pulls Back

The five-day inflow streak pointed to sustained institutional participation, though the pace weakened as the week progressed. Bitcoin's retreat from its recent high added to signs that investors grew more cautious after the initial surge. CoinDesk reported that Bitcoin ETF flows had turned positive for the year after the funds erased most of their earlier deficit.

Because weekly figures are the sum of daily net flows, the front-loaded pace means the headline number reflects demand that was concentrated early in the week. The shift follows a volatile stretch for crypto markets. Bitcoin had recovered sharply from lower levels in August, while renewed macroeconomic concerns around inflation and interest rates continued to influence risk assets.

Ether and Other Crypto ETFs Attract Capital

The renewed demand extended beyond Bitcoin, a reflection of how the menu of regulated crypto funds has broadened since Bitcoin-only products first debuted. U.S. Ether ETFs added roughly $690 million over the same week, according to CoinDesk calculations based on daily fund-flow data.

Solana ETFs also set a record with a weekly inflow of about $188 million, and CoinDesk reported that all seven U.S. Solana funds attracted money during the period, underscoring the breadth of demand across crypto-linked investment products. XRP ETFs, meanwhile, continued to attract fresh capital, extending a broader trend of investors using regulated funds to gain exposure to cryptocurrencies beyond Bitcoin.

The latest figures underscore the growing role of ETFs in crypto markets. However, the sharp slowdown in Bitcoin's daily inflows shows that strong weekly totals can mask changing demand from one session to the next, making daily flow disclosures a figure to watch in the sessions ahead.

Source: CryptoMeter News