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Gino Matos

Why non-top-10 altcoins may not rebound with Bitcoin as top 10 hold 82%

Coin Metrics data show top-10 altcoins now control roughly 82% of non-Bitcoin market cap, narrowing breadth since 2021. Wintermute reported average altcoin rallies lasted about 19 days in 2025 versus 61 in 2024, while CCData said December 2025 volumes fell 26.4% to $5.79 trillion. In this setup, recoveries tend to favor majors over small caps.