Data: The Coinbase Bitcoin Premium Index has been in negative territory for three consecutive weeks, currently at -0.0331%.

[Data: Coinbase Bitcoin Premium Index Has Been Negative for Three Consecutive Weeks, Currently at -0.0331%] According to Mars Finance, Coinglass data shows that the Coinbase Bitcoin Premium Index has been in negative territory for three consecutive weeks (21 days) since December 15, 2025, currently at -0.0331%. This index measures the difference between the price of Bitcoin on Coinbase (a major US trading platform) and the average price in the global market. A negative premium typically reflects significant selling pressure in the US market, decreased investor risk appetite, increased market risk aversion, or capital outflows.