According to Odaily, the CMC Altcoin Season Index reached 64 in December 2024, signaling the start of altcoin season. However, the index has remained above 40 since early January this year, now showing signs of further decline. As of February 17, the index stood at 36, indicating that altcoins continue to underperform compared to Bitcoin. The CMC Altcoin Season Index is a tool that tracks the performance of the top 100 cryptocurrencies over the past 90 days to determine whether the market is in an altcoin season or a bitcoin season. The market is considered to be in altcoin season when 75% or more of altcoins outperform bitcoin.