The $Cboe Volatility Index(VIX)$ , officially known as the Chicago Board Options Exchange Volatility Index, is calculated based on the prices of near-month and next-month options with expiration dates ranging from 23 to 37 days. It measures the annualized volatility of the $S&P 500(.SPX)$ over the next 30 days.In simple terms, the VIX index gauges the implied volatility of the S&P 500 Index. A higher VIX value indicates that investors anticipate greater market volatility. Given the significance of the S&P 500 Index, the S&P 500 VIX Index can be seen as a harbinger of potential market risks, hence also known as the "Fear Index."The "16 Rule" of VolatilityWhile investors can trade futures and