Coin Metrics revises 19 months of ETF wallet data but by how much?

Coin Metrics revises 19 months of ETF wallet data but by how much?

Summary

Coin Metrics corrected 35 daily and 25 hourly Bitcoin ETF-related on-chain data series covering Feb. 7, 2025, to Sept. 17, 2026. The affected metrics include deposits, withdrawals, transfers, transactions, net flows and supply, based on addresses the provider attributes to ETFs—not official fund records. Coin Metrics did not explain the cause or disclose the size or direction of changes. Users who relied on the affected history may need to backfill data and rerun analyses; the notice does not establish that unrelated ETF analysis changed.