Crypto market sentiment remained in greed territory on September 30 despite a two-point decline in the Fear & Greed Index to 71, according to data provider Alternative. Bitcoin was trading at $83,680 on CoinMarketCap at 9 a.m., up 0.21% from the previous day. Most major altcoins (cryptocurrencies other than Bitcoin) fell, including Ether, BNB, XRP, Tron, Hyperliquid and Zcash, while Solana gained 0.40%. The index measures sentiment using volatility, trading volume, social media activity, surveys, Bitcoin market-capitalization dominance and Google search trends.