The US Spot ETF Net Inflows on September 18, 2024, are recorded at -$52.7M for BTC and -$9.8M for ETH.

Fig 1. The US Bitcoin and Ethereum ETF inflows.

1. Key statistics for 11 Bitcoin Spot ETFs: -$52.7M

• The net flow turned negative after 4 days with inflows.
• 10 out of the 11 US BTC ETFs saw non-positive flows, led by the ARK 21Shares Bitcoin ETF (ARKB) with an outflow of $43.4M.
• Grayscale Bitcoin Mini Trust (BTC) saw the only inflow of $2.7M yesterday.
• The cumulative total net inflow after 173 trading days now stands at $17.44B.

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

2. Key statistics for 9 Ethereum Spot ETFs: -$9.8M

• The net flow has remained negative for 3 consecutive trading days.
• BlackRock's iShares Ethereum Trust (ETHA) saw the only inflow of $4.9M.
• Grayscale Ethereum Trust (ETHE) saw the only outflow of $14.7M.
• The cumulative total net inflow after 41 trading days now stands at -$616M.

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