CoinMarketCap's Altcoin Season Index has increased to 37, marking a three-point rise from the previous day. According to NS3.AI, this index evaluates the performance of the top 100 coins by market capitalization over the past 90 days, excluding stablecoins and wrapped tokens, in comparison to Bitcoin. This uptick suggests a shift in market dynamics, highlighting the growing interest and performance of altcoins relative to Bitcoin.