Historically, a fall in dominance, the share of total cap held by BTC, is a hallmark of altcoin seasons. During the middle of 2025, Bitcoin dominance briefly dipped below 60%, accompanied by increased market share for Ethereum and other tokens, suggesting some rotation of capital toward altcoins.
However, contrary to the narrative that altcoins are outright stealing the show, recent analysis from late 2025 indicates that Bitcoin’s dominance remains relatively strong, and in some reports, modest growth in BTC share suggests institutional confidence in the flagship crypto remains firm.
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