Data: Coinbase Bitcoin negative premium has lasted for 39 days, currently reported at -0.0405%

According to Coinglass data, the Coinbase Bitcoin Premium Index has been in negative premium for 39 consecutive days, currently reported at -0.0405%, exceeding the approximately 30 days of consecutive negative premium during the "1011 crash."

Since 2026, the index has recorded positive premium on only 2 trading days. The Coinbase Bitcoin Premium Index is used to measure the difference between the Bitcoin price on Coinbase and the global market average price. A negative premium typically reflects significant selling pressure in the U.S. market, a decline in investor risk appetite, increased market risk aversion, or capital outflows.