US Bitcoin and Ethereum ETF Net Inflows Update on May 21, 2025

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US Bitcoin and Ethereum ETF Net Inflows Update on May 21, 2025

Inflow

The US Spot ETF Net Inflows on May 21, 2025, are recorded at +$607.1M for BTC and +$600K for ETH.

Fig 1. The US Bitcoin and Ethereum ETF inflows.

Key statistics:

BTC ETFs recorded another day of strong inflows, with no outflows across all 11 funds, bringing in a total of $2.3B over the past six trading days.
Meanwhile, the net flow of ETH ETFs turned weak again, yet remains positive for four consecutive trading days.
The 11 BTC ETFs' cumulative inflow after 341 trading days is +$43.48B.
The 9 ETH ETFs' cumulative inflow after 209 trading days is +$2.62B.

Fig 2. 30-Day Net Inflow of 11 Bitcoin ETFs.

Fig 3. 30-Day Net Inflow of 9 Ethereum ETFs.

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