There’s been a major shift in profitability since the Bitcoin price crashed from $126,000, and altcoins have borne the brunt of it. With major altcoins down between 30% and 80% from their all-time high values, calls for an altcoin season have gone down drastically. This has been reflected in the performance of the Altcoin Season Index, falling to one of the lowest recorded levels in 2025 as the year draws to an end. Altcoin Season Index Says Losses Are The Order Of The Day The Altcoin Season Index Chart on the CoinMarketCap website, which tracks the performance of altcoins against Bitcoin, has now fallen below 20 again
source: https://www.newsbtc.com/altcoin/altcoin-season-index-crashes/