The Altcoin seasonal index remains low, currently at 17.

According to Mars Finance, on December 21st, Coinmarketcap data shows the Altcoin Season Index is currently at 17, having previously risen to 78 on September 20th, with a weekly average of 21. This index indicates that over the past 90 days, approximately 17 of the top 100 cryptocurrencies by market capitalization have outperformed Bitcoin. Note: The CMC Crypto Altcoin Season Index is a real-time indicator used to determine whether the current cryptocurrency market is in an Altcoin dominated season. The index is based on the performance of the top 100 Altcoin relative to Bitcoin over the past 90 days.