Bitcoin ETFs pull $31M inflow as Ethereum products bleed $48M

By Khal · · 1 min read

Editorial illustration: Silver balls descend into a glass box with a bronze Bitcoin symbol, while balls roll down a ramp away from an adjacent box with a silver Ethereum symbol.
AI-generated editorial illustration · AI-generated editorial illustration · Published Sep 8, 2026, 2:38 p.m. (30 minutes ago)

In brief

  • Bitcoin ETFs received 398 BTC ($31M) on September 2; Ethereum ETFs lost 19,667 ETH ($48M)
  • Divergence ended a 12-session inflow streak for Ethereum products
  • Bitcoin ETFs accumulated close to $987M in net inflows for the week ending September 4
  • Cumulative Bitcoin ETF inflows exceeded $55B since January 2024 debut

The divergence widens

Bitcoin ETFs received $31 million on September 2, representing a net inflow of 398 BTC. Meanwhile, Ethereum products experienced a $48 million outflow, shedding 19,667 ETH in the same session. This marked the first day of net outflows for Ethereum ETFs after a 12-session winning streak.

The divergence, though sharp, doesn't erase the week's broader picture. Over the week ending September 4, Bitcoin ETFs accumulated close to $987 million in net inflows, while Ethereum still managed positive weekly flows. Bitcoin received $101 million on September 2 and $175 million on September 4.

Institutional momentum

Cumulative net inflows into US spot Bitcoin ETFs have now exceeded $55 billion since their January 2024 debut. The scale of this accumulation reflects sustained institutional interest in Bitcoin-focused products.

BlackRock, Fidelity, and Grayscale dominate the crypto ETF issuer landscape. BlackRock's IBIT fund leads in daily volume and investor flows on the Bitcoin side. However, Grayscale's converted trust products carry higher fee structures than newer competitors, leading to persistent outflows.

What the flows reveal

Crypto flows closely track two variables: overall investor risk appetite and interest rate expectations.

The pattern of inflows and outflows isn't random. June 2026 brought record outflows across both Bitcoin and Ethereum products, while April and August saw robust inflow periods. September's divergence—favoring Bitcoin over Ethereum—suggests investors are reassessing which assets best match current macro conditions and risk tolerance. The gap between the two categories deserves close watching in the weeks ahead.

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