<ul data-eligibleForWebStory="true">The Altcoin Season Index tracks altcoins outperforming Bitcoin, signaling market dynamics.Two scenarios historically trigger altcoin breakouts: post-Bitcoin rally weakness and Bitcoin bear phases.Altcoin accumulation opportunities arise when the index is in the green 'Bitcoin Season' zone.Historically, June marks the start of Altcoin Seasons since 2022.Currently, 23% of altcoins are outperforming Bitcoin, hinting at increasing strength.Key metrics beyond price for Altcoin Seasons include on-chain flows, pair strength, sector momentum, etc.Web3 startup funding saw highs in Q1 2025 but dropped significantly in Q2.The data suggests a potential breakout moment for altcoins, with signals aligning in June 2025.Investors remain cautious due to lack of all-time highs, but data points to upcoming momentum.