According to TechFlow, on April 27, 8:00 pm, Coinmarketcap data showed that the Altcoin Seasonal Index was at 12, just 1 point away from the lowest point of the year. The index shows that about 12 of the top 100 cryptocurrencies by market value have outperformed Bitcoin in the past 90 days. The CMC Cryptocurrency Altcoin Seasonal Index is a real-time indicator used to determine whether the current cryptocurrency market is in an altcoin-dominated season. The index is based on the performance of the top 100 altcoins relative to Bitcoin in the past 90 days.