TechFlow reports on January 21, according to Coinmarketcap data, the Altcoin Season Index is currently at 42, down 1 point from yesterday. This index indicates that over the past 90 days, approximately 42 out of the top 100 cryptocurrencies by market capitalization have outperformed Bitcoin in terms of price gains.
The CMC Altcoin Season Index is a real-time metric based on the performance of the top 100 altcoins relative to Bitcoin over the past 90 days, commonly used to determine whether the current cryptocurrency market is experiencing an altcoin-dominated season.




