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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 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 ...
Historical volatility (HV) is a statistical measure of a stock’s price fluctuations over a specific period in the past. It’s calculated using historical price data.
For the Chinese A-share market, the formula delivered annualized returns of 10.9% versus 1.4% for the CSI-300 Index for the period August 2008 to August 2018, with lower volatility. [14] In India, it significantly outperformed the S&P BSE 100 Index by 12.6% per annum over the period September 2006 to June 2022, also with lower volatility. [15]
Although it is an excellent measure of averaged implied volatility of the stock, the IVX sometimes cannot be calculated for stocks with illiquid options that have no volume traded and a huge spread in prices. This is because none of the option models will produce good volatility measure using the options with unreliable prices.
The volatilities in the market for 90 days are 18% and for 180 days 16.6%. In our notation we have , = 18% and , = 16.6% (treating a year as 360 days). We want to find the forward volatility for the period starting with day 91 and ending with day 180.
It aims to balance risk across the fund by giving greater weighting to stocks with lower realized volatility. 2024 YTD performance: 18.5% Historical performance (annual over 5 years): 7.7%