Introduction
My Bitcoin ETF flow bot which posts updates at the X account @ubiqetfbot works by scraping the associated web sites of the ETFs to gather the updated reported Bitcoin holdings in the respective fund/trust.
Specific details for each ETF is outlined below (in alphabetical order by Ticker).
Details
ARKB - ARK 21Shares Bitcoin ETF
Data is from their fund web site.
Historically, the holdings are updated 10+ hours after the close of trading.
There is close alignment with other reported data sources.
BITB - Bitwise Bitcoin ETF
Data is from their fund web site.
Historically, the holdings are updated 4.5+ hours after the close of trading.
There is close alignment with other reported data sources.
BRRR - Valkyrie Bitcoin Fund
Data is from their fund web site holdings page.
Historically, the holdings are updated 10+ hours after the close of trading.
There is close alignment with other reported data sources.
BTCW - WisdomTree Bitcoin Fund
Data is from their fund web site.
Historically, the holdings are updated 13+ hours after the close of trading.
There is close alignment with other reported data sources.
This fund often has 0 daily flows.
DEFI - Hashdex Bitcoin ETF
Data is from their fund web site.
EZBC - Franklin Bitcoin ETF
Data is from their fund web site.
Historically, the holdings are updated 5.5+ hours after the close of trading.
There is close alignment with other reported data sources.
This fund often has 0 daily flows.
FBTC - Fidelity Wise Origin Bitcoin Fund
Data is from their fund web site.
Historically, the holdings are updated 16+ hours after the close of trading.
There is close alignment with other reported data sources.
GBTC - Grayscale Bitcoin Trust
Data is from their fund web site.
Historically, the holdings are updated 25 hours after the close of trading. Yes, the data is 1 day late :(.
There is close alignment with other reported data sources.
HODL - VanEck Bitcoin Trust
Data is from their fund web site.
Historically, the holdings are updated 37+ hours after the close of trading. Yes, the data is 1 day late :(.
There is close alignment with other reported data sources.
IBIT - iShares Bitcoin Trust
Data is from their fund web site.
Historically, the holdings are updated 13+ hours after the close of trading.
There is close alignment with other reported data sources.
Untracked
BTCO - Invesco Galaxy Bitcoin ETF
The fund holdings page is blank.
Technical details
Colly is the scraper of choice used.
Disclaimer
Tweet data is generated automatically, in real time. The methodology used to produce the Tweets focuses on speed rather than on accuracy. Data based on the ETF provider websites mentioned on this page. The data contains estimates. The data is likely to contain errors. I am not liable for any errors or inaccuracies in the data.