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The VIX is an index run by the Chicago Board Options Exchange, now known as Cboe, that measures the stock market’s expectation for volatility over the next 30 days based on option prices for the ...
The resulting VIX index formulation provides a measure of market volatility on which expectations of further stock market volatility in the near future might be based. The current VIX index value quotes the expected annualized change in the S&P 500 index over the following 30 days, as computed from options-based theory and current options ...
CBOE Volatility Index (VIX) from December 1985 to May 2012 (daily closings) In finance, volatility (usually denoted by "σ") is the degree of variation of a trading price series over time, usually measured by the standard deviation of logarithmic returns. Historic volatility measures a time series of past market prices.
The VIX is commonly known as the "Fear Gauge," or a measurement of volatility. It is, but it's a little more complicated than that. And it's good to know the difference.
Widow-and-orphan stock: a stock that reliably provides a regular dividend while also yielding a slow but steady rise in market value over the long term. [13] Witching hour: the last hour of stock trading between 3 pm (when the bond market closes) and 4 pm EST (when the stock market closes), which can be characterized by higher-than-average ...
The index was developed by Robert E. Whaley, a Vanderbilt University finance professor, [17] and was intended to measure the 30-day implied volatility of S&P 100 option prices. [16] In 2003, the underlying benchmark for the VIX was changed to the S&P 500. [18] The company launched tradeable products using VIX as the underlying index. [18]
The A-VIX is a market instrument pricing investor sentiment and market expectations. A relatively high A-VIX value implies that the market expects significant changes in the S&P/ASX 200 over the next 30 days, while a relatively low A-VIX value implies that the market expects minimal change. The ASX chart below illustrates this relationship.
Armed with a forecast of volatility, and capable of measuring an option's market price in terms of implied volatility, the trader is ready to begin a volatility arbitrage trade. A trader looks for options where the implied volatility, σ C ¯ {\displaystyle \sigma _{\bar {C}}\,} is either significantly lower than or higher than the forecast ...