Altcoin vs. Bitcoin: What the 2025 Index Tells Us Now

Altcoin Season Index steady at 51, signaling a market shift from Bitcoin dominance.
Bitcoin dominance declining, raising chances for Altcoin Season in 2025.
Historical trends show altcoins may rise again as Bitcoin’s dominance wanes.

The Altcoin Season Index, a key market indicator on CoinMarketCap, remains unchanged at 51 as of 00:30 UTC on January 4, 2025. This reading shows that the crypto market is shifting, with altcoins maintaining their position alongside Bitcoin. The index, which excludes stablecoins and wrapped tokens, indicates the performance of the top 100 coins over the past 90 days.

Understanding the Altcoin Season Index

For the market to be categorized as in Altcoin Season, 75% of the top 100 coins must outperform Bitcoin. Conversely, Bitcoin Season is defined as when 25% or fewer of the top 100 coins outperform Bitcoin. The 51 index indicates a transition from Bitcoin Season to Altcoin Season.

This suggests a period of market consolidation. Bitcoin’s dominance is still present, but altcoins are maintaining value and showing impressive performance.

Historically, the Altcoin Season Index has shown major movement. On December 4, 2024, the index peaked at 87, signaling a dominant altcoin market. However, over the past month, it has declined. The latest reading reflects a shift toward Bitcoin dominance.

Bitcoin Dominance and the Potential for Altcoin Season in 2025

Adding to this sentiment, Titan Of Crypto, a crypto analyst, predicted that Altseason could rise as Bitcoin’s dominance declines. His chart, which tracks Bitcoin’s dominance over the past decade, points out the volatile market. Altcoin seasons previously occurred in 2017 and 2021.

During these years, Bitcoin’s dominance dropped, allowing altcoins to gain market traction and increase their capitalization. As of 2025, the chart shows another possible altcoin season, with a declining trend in Bitcoin dominance.

The data suggests that altcoins could regain market dominance in the coming year. While the timing and extent of this shift remain uncertain, current trends indicate that altcoins may experience a significant rise in value relative to Bitcoin.

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