Cryptocurrency news today, September 21, 2026: Market cap rose 1% to $2.88 trillion, with Bitcoin and Ethereum gaining, Greed sentiment at 70, and Venom and Gravity leading gainers and losers. According to CoinGecko data recorded on September 21, 2026, at 1:30 AM UTC, the global crypto market capitalization stood at $2.88 trillion, up 1% over 24 hours. Total trading volume was $77.86 billion.