BlockBeats News, June 19th, according to Coinglass data, the Coinbase Bitcoin Premium Index briefly turned positive earlier this week but has now turned negative again, currently at -0.103%, indicating continued weak buying power in the U.S. market.

The Coinbase Bitcoin Premium Index is used to measure the difference between the Bitcoin price on Coinbase and the global market average price, with a negative premium usually reflecting strong selling pressure in the U.S. market, decreased investor risk appetite, increased market risk aversion, or capital outflows.