[CryptoQuant Analyst: Coinbase Premium Index Rebounds but Remains Negative] CryptoQuant analyst Axel Adler posted on the X platform on March 21, stating that between February and March 2026, the Coinbase Premium Index rebounded from the negative range to a neutral-to-weak level but has yet to stabilize in the positive range. Currently, it stands at -0.0195% and has been negative for three consecutive days, indicating that the overall bullish momentum among U.S. investors has not been confirmed, and the sentiment in the crypto market remains cautious.