Altcoin Season Index Bottoms Out and Rises to 18; Only 10 Tokens Outperform BTC in the Past 90 Days

April 21, according to Coinmarketcap data, the market has slightly warmed up, with the Altcoin Season Index rising from the recent low of 14 on Trump's tariff day to 18. However, it remains significantly lower than the March average of 32 and the February average of 43. The Altcoin Index has been declining since it reached an annual high of 87 on December 4, 2024. Among the top 100 cryptocurrencies by market capitalization, only 10 tokens have outperformed Bitcoin in the past 90 days. The top-performing altcoins in the past 90 days among the top 100 by market cap are FORM, AB, XCN, IP, and MKR.