Altcoin Season Index: Track Crypto Market Trends and Altcoin Performance

By Drift Striker · February 19, 2026

For years, cryptocurrency enthusiasts and institutional investors alike have watched the ebb and flow between Bitcoin and alternative cryptocurrencies—altcoins. While Bitcoin remains the flagship, there are seasons when altcoins, from Ethereum and Solana to newer DeFi tokens, dramatically outperform Bitcoin. This phenomenon, popularly referred to as “altcoin season,” can reshape market sentiment and portfolios. The […]