Altcoin Season Index falls to 17
December 11, 2025, 12:37 AM
CoinMarketCap's Altcoin Season Index has fallen one point from yesterday to 17. The index measures whether altcoins are outperforming Bitcoin. An altcoin season is declared when 75% of the top 100 cryptocurrencies by market capitalization, excluding stablecoins and wrapped tokens, have performed better than Bitcoin over the last 90 days. A score closer to 100 indicates a stronger altcoin season, while a low score suggests a Bitcoin season.Log in to leave comments!
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