CoinMarketCap's Altcoin Index Shows Bitcoin Still Dominating the Market

ZkProofPudding · 2026-03-21T01:17:44+00:00

Current data shows that altcoins are lagging behind Bitcoin, with the Altcoin Season Index at 35, indicating a strong preference for Bitcoin among investors and a lack of diversified altcoin performance.

ZkProofPudding

2026-03-21 01:17:44

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Data from CoinMarketCap reveals that altcoins continue to lag behind Bitcoin, with the Altcoin Season Index currently showing a reading of 35. This metric, which evaluates the performance of the top 100 cryptocurrencies (excluding stablecoins and wrapped tokens) against Bitcoin over a rolling 90-day period, indicates that market participants remain heavily tilted toward Bitcoin at present.

An altcoin season—defined as a period where alternative coins substantially outperform Bitcoin—is typically declared when the index reaches 75 or higher. With the current level well below this threshold, market conditions are unmistakably favoring Bitcoin over the broader altcoin space. The low index score signals investor preference remains concentrated on Bitcoin dominance rather than a diversified altcoin rally.

BTC0.43%

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