What is the 'VIX  CBOE Volatility Index'
The VIX (CBOE volatility index) is the ticker symbol for the Chicago Board Options Exchange (CBOE) Volatility Index, which shows the market's expectation of 30day volatility. It is constructed using the implied volatilities of a wide range of S&P 500 index options. This volatility is meant to be forward looking and is calculated from both calls and puts. The VIX is a widely used measure of market risk and is often referred to as the "investor fear gauge."
There are three variations of volatility indexes: the VIX tracks the S&P 500, the VXN tracks the Nasdaq 100 and the VXD tracks the Dow Jones Industrial Average.
BREAKING DOWN 'VIX  CBOE Volatility Index'
The first VIX, introduced by the CBOE in 1993, was a weighted measure of the implied volatility of eight S&P 100 atthemoney put and call options. Ten years later, it expanded to use options based on a broader index, the S&P 500, which allows for a more accurate view of investors' expectations on future market volatility. VIX values greater than 30 are generally associated with a large amount of volatility as a result of investor fear or uncertainty, while values below 20 generally correspond to less stressful, even complacent, times in the markets.

VIX Option
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S&P/ASX 200 VIX (AVIX)
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Investing Basics
Understanding the CBOE Volatility Index
The VIX shows the market’s volatility expectations for the next 30 days. 
Mutual Funds & ETFs
The VIX: Using The "Uncertainty Index" For Profit And Hedging
Learn the best ways to profit and hedge using the Chicago Board Options Exchange Market Volatility Index. 
Technical Indicators
Using Moving Averages To Trade The Volatility Index (VIX)
VIX moving averages smooth out the natural choppiness of the indicator, letting traders and market timers access reliable sentiment and volatility data. 
Investing
3 Reasons to Ignore Market Volatility (VIX)
If you can keep your head while those about you are losing theirs, you can make a nice return in roiling markets. 
Mutual Funds & ETFs
Top 3 Inverse Volatility ETFs (XIV, SVXY)
Learn about four inverse volatility ETNs and ETFs, and understand how the CBOE VIX indicator is calculated and used to hedge a portfolio. 
Active Trading Fundamentals
Tracking Volatility: How The VIX Is Calculated
When market volatility spikes or stalls, newspapers, websites, bloggers and television commentators all refer to the VIX®. Formally known as the CBOE Volatility Index, the VIX is a benchmark ... 
Investing News
Assessing The VIX in Q1 2016
Discover how the VIX Index, or "fear gauge," began 2016 above the historical mean, and learn how this relates to past spikes in volatility. 
Technical Indicators
Strategies To Trade Volatility Effectively With VIX
VIX offers a bird’s eye view of realtime greed and fear, while providing a snapshot of the market’s expectations for volatility in the next 30 days. 
Mutual Funds & ETFs
How to Profit From Market Volatility Using ETFs (VXX, VIX)
Volatility funds offer exposure to high greed and fear levels while avoiding predictions on price direction. 
Mutual Funds & ETFs
Three ETFs/ETNs to Profit From Low Volatility
The CBOE's Volatility Index has been at lows since February. Here are three ETFs that are shorting a future rise in the S&P 500.

What is the CBOE Volatility Index? (VIX)
Find out why investors and analysts use the Chicago Board Options Exchange Volatility Index, or VIX, to measure the market's ... Read Answer >> 
What is the relationship between implied volatility and the volatility skew?
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Why is the Chicago Board Options Exchange important?
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How does implied volatility impact the pricing of options?
Learn about two specific volatility types associated with options and how implied volatility can impact the pricing of options. Read Answer >> 
What is an option's implied volatility and how is it calculated?
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What are the most effective hedging strategies to reduce market risk?
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