on June 29th, Coinmarketcap data shows that the Altcoin Season Index is currently at 21, up 2 points from yesterday's 19. The index shows that in the past 90 days, about 21 projects among the top 100 cryptocurrencies by market cap have outperformed Bitcoin, indicating that the market is still in a season dominated by Bitcoin.
It is reported that the CMC Cryptocurrency Altcoin Season Index is a real-time indicator used to determine whether the current cryptocurrency market is in a season dominated by altcoins. The index is based on the performance of the top 100 altcoins relative to Bitcoin in the past 90 days.