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The Altcoin Season Index measures market performance against Bitcoin. Current data shows mixed signals as traders watch for capital rotation.
The Altcoin Season Index, a benchmark used to gauge whether alternative cryptocurrencies are outperforming Bitcoin, currently sits at approximately 35, indicating that a broad market rotation has not yet begun [3]. This metric serves as a primary tool for investors to determine if the market has entered a phase where the majority of digital assets are generating superior returns compared to the market leader [1].
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AI-assisted synthesis by the TrendWatcher Editorial Desk · sourced from 3 outlets · Jun 12, 2026 · How we report
An altcoin is any cryptocurrency other than Bitcoin, as Bitcoin was the first to capture global attention.
The index compares the 90-day price performance of the top 100 cryptocurrencies, excluding stablecoins and asset-backed wrapped tokens, against Bitcoin.
During this period, altcoins typically experience rapid price appreciation, increased market dominance, and higher trading volumes, often driven by market optimism and FOMO.
Yes, Ethereum is included in the altcoin mix for the purpose of the CoinMarketCap Altcoin Season Index.