CoinMarketCap altcoin season index falls 3 points to 37
September 12, 2026, 12:33 AM
CoinMarketCap’s altcoin season index came in at 37, down three points from yesterday. The index is calculated by comparing the price performance of Bitcoin and the top 100 coins by market capitalization, excluding stablecoins and wrapped coins. An altcoin season is identified when 75% of the top 100 coins have outperformed Bitcoin over the past 90 days, while the opposite is considered a Bitcoin season. A reading closer to 100 indicates a stronger altcoin season.Leave the first comment
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