Market Sentiment Turns Cautious Amid Volatility Surge Market indicators are signaling caution as the Fear & Greed Index hits "Extreme Fear" levels, and the Cboe Volatility Index rises 20%, reflecting investor concerns. The Buffett Indicator, at 211% of GDP, suggests overvaluation. Defensive ETFs like Invesco S&P 500 Low Volatility ETF and Franklin U.S. Low Volatility High Dividend Index ETF offer potential hedges.1