This metric offers the most recent balances of the leading Bitcoin and Ethereum ETFs traded in the U.S., typically reflecting holdings at the end of the previous trading day (T+1). It updates hourly from 00:00 to 18:00 UTC to ensure timely information on the daily reported balances. Unlike the standard convention where updates are provided only after an interval has concluded, this metric also provides preliminary data for weekly and monthly updates once daily at 15:00 UTC.

The Bitcoin ETFs covered include:

• IBIT by BlackRock
• GBTC by Grayscale
• BTC by Grayscale (Mini Trust)
• FBTC by Fidelity
• ARKB by Ark/21 Shares
• BITB by Bitwise
• HODL by VanEck
• BRRR by Valkyrie
• BTCO by Invesco/Galaxy
• EZBC by Franklin Templeton
• BTCW by WisdomTree

The Ethereum ETFs covered include:

• ETHA by BlackRock
• ETHE by Grayscale
• ETH by Grayscale (Mini Trust)
• FETH by Fidelity
• CETH by 21 Shares
• ETHW by Bitwise
• ETHV by VanEck
• QETH by Invesco/Galaxy
• EZET by Franklin Templeton

Source: The metric utilizes publicly available information, obtained directly from the respective ETF issuers.