this is from earlier today and we now have gone past 2B

"All of the 11 ETFs have begun trading, and already over $1.4 billion has changed hands in just the first 45 minutes of trading. The Grayscale Bitcoin Trust has seen $634 million change hands, according to data compiled by Bloomberg. When the first Bitcoin futures fund began trading, it saw turnover of almost $1 billion during the entire day. At the time, the futures fund debut was the second-most heavily traded fund on record."

https://finance.yahoo.com/news/bitcoin-surges-past-49-000-145845991.html