The index's decline from a peak of 55 shows that only 39 of the top 100 cryptocurrencies have outperformed Bitcoin in the last 90 days, reflecting a shift in market dynamics.
The Altcoin Season Index has decreased to 39, down from a peak of 55 on July 21, indicating that only 39 of the top 100 cryptocurrencies have outperformed Bitcoin over the past 90 days. This index serves as a real-time indicator of altcoin market performance relative to Bitcoin.