CoinJie News, according to Coinmarketcap data, the Altcoin Season Index is currently reported at 52, up 5 points from last week. This index shows that in the past 90 days, about 52 of the top 100 cryptocurrencies by market capitalization have outperformed Bitcoin. The CMC Cryptocurrency Altcoin Season Index is a real-time indicator 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 in an altcoin-dominated season.