Coinbase Bitcoin Premium Index stays negative for 3 days, hits -0.0397%

The Coinbase Bitcoin Premium Index remained negative for three consecutive days through Jan. 18, reaching -0.0397%, Coinglass data cited by BlockBeats show. The index has been negative on 28 of the past 30 days, indicating Coinbase's Bitcoin price has frequently traded below the global average. The index tracks the price spread between Coinbase and the global market, serving as a gauge of U.S. capital flows and institutional sentiment.