Coinbase's Bitcoin Premium Index has remained positive for 18 consecutive days, currently standing at 0.0336%, according to Coinglass data. This marks a significant shift from a previous 15-day streak of negative premiums, indicating a recovery in buying sentiment within the U.S. market. The Coinbase Bitcoin Premium Index measures the price difference between Bitcoin on Coinbase and the global market average. A positive premium suggests higher demand in the U.S., driven by institutional interest and ample liquidity, reflecting optimistic investor sentiment.