Altcoin season index slips to 57 as Bitcoin dominance holds above 60%

The altcoin season index stood at 57, remaining below the 75 threshold that signals an altcoin season. Bitcoin dominance held at 60.1%, preserving its market lead.

The altcoin market has continued a gradual recovery, but the index remains in neutral territory.

As of Oct. 20, the altcoin season index was 57.

The reading slipped from 58 a day earlier, but remained above 55 a week ago and 50 a month ago. It sits between the Bitcoin season threshold of 25 or lower and the altcoin season threshold of 75 or higher.

The index tracks the share of the 100 largest altcoins by market capitalization, excluding stablecoins, that outperformed Bitcoin over the past 90 days. Its yearly high was 64 on Sept. 27, 2026, while its yearly low was 14 on Dec. 19, 2025.

Bitcoin also retained its lead by market share.

Bitcoin dominance rose to 60.1% from 59.4% a week earlier. The share held by other altcoins narrowed to 29.2% from 29.7%, while Ether dominance declined to 10.7% from 10.9%.

Bitcoin's market capitalization stood at about $1.64 trillion, with 24-hour trading volume of $23.17 billion. The combined altcoin market capitalization was about $1.10 trillion, with 24-hour volume of $43.13 billion.

Bitcoin traded at $81,433, down 1.27% over 24 hours. Its cumulative 90-day return was 23.23%.

This article is based on market data and chart analysis and does not constitute investment advice.