The Bitcoin Fear and Greed Index has shown fluctuating levels of investor sentiment over the past few days. On January 21, the index recorded a score of 76, indicating 'Extreme Greed'. This sentiment increased to a score of 84 by January 22, also categorized as 'Extreme Greed'. However, on January 23, the index dropped to 75, reflecting a state of 'Greed', before settling at 45, which signifies a 'Neutral' sentiment later that day. Analysts from Needham have noted that the overall sentiment towards cryptocurrencies remains very high, approaching levels of 'extreme euphoria'.