No Summary provided as the original text is short
- VIX: The Cboe Volatility Index, measuring market expectations of near-term volatility based on S&P 500 index options.
- Stock Futures: Contracts to buy or sell stocks at a predetermined price on a future date, often used to gauge market sentiment before trading opens.
- Volatility Index: A financial metric that tracks expected market fluctuations over a specific period, commonly used as a fear gauge.