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BlackRock Flows Lift Bitcoin ETFs as Ether Funds Suffer Month‑Long Withdrawals

This shift shows that concentrated ETF activity can move short‑term crypto prices and leaves ETH exposed until the Glamsterdam upgrade schedule is resolved.

Overview

  • BlackRock’s iShares Bitcoin Trust (IBIT) has been the primary driver of recent BTC ETF demand, taking all $110.3 million of reported net inflows on Monday and capturing the bulk of the category’s new money over several sessions.
  • US spot Bitcoin ETFs recorded multi‑day inflows that narrowed October’s net outflows toward flat and helped keep BTC trading around $79,000–$81,000 as traders rotated positions rather than adding large amounts of fresh capital.
  • Spot Ethereum ETFs have seen sustained withdrawals through late October totaling roughly $1.26–1.32 billion for the month, a pace that has coincided with ETH trading near $2,300 and increasing downside pressure.
  • Developments beyond flows are also shaping prices: the Federal Reserve’s decision to hold rates and the Ethereum Foundation’s postponement of the Hoodi testnet for the Glamsterdam upgrade to fix EIP‑8037 issues are cited as near‑term catalysts.
  • High intra‑day ETF volume relative to net flows indicates much trading is position rotation, and the dominance of a single large fund means future IBIT moves, incoming economic data, and the upgrade timetable could quickly sway short‑term market direction.