【Altcoin Season Index Drops to 25】On May 16, according to Coinmarketcap data, the Altcoin Season Index is currently at 25, having previously risen to 43 on May 10. This index indicates that in the past 90 days, approximately 25 projects among the top 100 cryptocurrencies by market cap have outperformed Bitcoin. Note: The CMC Cryptocurrency Altcoin Season Index is a real-time indicator used to assess 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.