On March 10, CoinMarketCap market data showed that among the top 100 tokens with market capitalisation, only 17 tokens had increased more than BTC in the past 90 days, including BERA(+499%), IP(+81%), BGB(+78%), etc. BTC performed-15% over the same period. It is understood that the Altcoin Season Index is a new feature launched by CoinMarketCap to measure the popularity of altcoins. It calculates how many tokens among the top 100 assets with market value have performed better than BTC in the market. If the value is around 75, the market is more likely to be in the Altcoin Season, and below 25, there is a high probability that it will be in the Bitcoin Season. Since February 27, the index has been below 25 for 12 consecutive days.