Altcoins closed 2025 weaker versus Bitcoin, marking a fourth consecutive year of underperformance. According to market data that tracks the TOTAL3/BTC ratio — which measures all altcoins excluding Bitcoin and Ethereum against Bitcoin — the ratio finished lower for calendar years 2022, 2023, 2024 and 2025. That streak has left traders and fund managers rethinking the old pattern where smaller tokens would often surge after Bitcoin rallies.
Altcoins Underperform Bitcoin
Market watchers say Bitcoin’s share of the overall crypto market has grown. Bitcoin dominance was reported at roughly 59–60% during the late 2025 selloff, a level that squeezed room for other tokens.
Based on reports, small-cap tokens hit their lowest point in four years as money flowed into larger, more liquid assets. Bitcoin itself slipped from an October peak and ended the year in negative territory, a development covered by major outlets that noted it was the first yearly loss for Bitcoin since 20
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