Bitcoin Horror Story as Spot ETFs Bleed $1 Billion.
US spot Bitcoin ETFs recorded $1 billion in net outflows for the week ending May 15, 2026, ending a six-week inflow streak as macro pressures and inflation data rattled investor sentiment.
A Sharp Reversal After Six Weeks of Inflows
The thirteen spot $BTC ETFs trading in the United States have collectively recorded net outflows of $1 billion for the week ending May 15, 2026, according to data from SoSoValue. The reversal ended a six-week run of steady inflows that had signaled renewed institutional appetite for the cryptocurrency.
Outflows built sharply mid-week, with $635 million leaving the funds on May 13 and another $233 million exiting on May 12. The May 13 figure marked the largest single-day outflow since January 29, with BlackRock's IBIT leading at $284.69 million.
On Friday, BlackRock's IBIT shed over $136 million in assets, while Fidelity's FBTC and Grayscale's GBTC lost over $39 million and $43 million, respectively.
Macro Pressure Drives the Exit
The outflows did not occur in a vacuum. Markets came into the week expecting rate cuts, but by Wednesday morning they were pricing rate hikes, after April CPI came in at 3.8% year-over-year and April PPI hit 6%, the biggest wholesale-price increase since December 2022. After the PPI report, markets stopped pricing rate cuts entirely, and CME hike odds on forward 2026 meetings climbed to roughly 39%.
The $1 billion weekly exit is the largest since late January and comes after a period of relative calm. Some market participants point to profit-taking after the strong April run, while others cite macro headwinds including upcoming inflation data and Federal Reserve commentary.
Despite the turbulence, the products retain considerable scale. Cumulative net inflows since the products launched in January 2024 still stand at roughly $58.34 billion, with total assets under management reaching $104.29 billion. The spot ETFs also continue to hold 6.58% of $BTC's total circulating supply, underscoring the depth of institutional positioning even amid short-term redemptions.
Ethereum ETFs also saw outflows of $255.11 million this week, extending a five-day negative streak and adding to the sense of sector-wide caution.
Sources:
Crypto Times: Bitcoin ETFs Post $1B Weekly Outflow, Halting Six-Week Inflow Streak
247 Wall St: Bitcoin ETF Outflows Hit a 3-Month High of $635 Million
BanklessTimes: Bitcoin Price Prediction as BTC ETFs Suffer a $1 Billion Meltdown
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Jon WangJon studied Philosophy at the University of Cambridge and has been researching cryptocurrency full-time since 2019. He started his career managing channels and creating content for Coin Bureau, before transitioning to investment research for venture capital funds, specializing in early-stage crypto investments. Jon has served on the committee for the Blockchain Society at the University of Cambridge and has studied nearly all areas of the blockchain industry, from early stage investments and altcoins, through to the macroeconomic factors influencing the sector.
