According to Jinse Finance, Coinmarketcap data shows that the Altcoin Season Index is currently at 43, up 1 point from yesterday (which was 42). The index indicates that in the past 90 days, about 43 out of the top 100 cryptocurrencies by market capitalization have outperformed Bitcoin, meaning the market is still in a Bitcoin-dominated season. The CMC Altcoin Season Index is a real-time indicator used to determine whether the current cryptocurrency market is in an altcoin-dominated season. This index is based on the performance of the top 100 altcoins relative to Bitcoin over the past 90 days.