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What Is The VIX Index

One market indicator that has been getting a lot of attention lately is the VIX Index (VIX). The VIX has been in the news lately since the Index has been hitting all time high levels, reaching over 81 on Thursday. The importance of the VIX has to do with the fact it is a measure of investor fear looking forward over the subsequent 30 day period.

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VIX Index chart October 17, 2008

According to the CBOE,

since the VIX Index introduction in 1993, VIX has been considered by many to be the world’s premier barometer of investor sentiment and market volatility. The VIX Index is an implied volatility index that measures the market’s expectation of 30-day S&P 500® volatility implicit in the prices of near-term S&P 500 options. VIX is quoted in percentage points, just like the standard deviation of a rate of return.

Additionally, one of the most interesting features of VIX, and the reason it has been called the “investor fear gauge,” is that, historically, VIX hits its highest levels during times of financial turmoil and investor fear. As markets recover and investor fear subsides, VIX levels tend to drop. This effect can be seen in the below chart in the VIX behavior isolated during the Long Term Capital Management and Russian Debt Crises in 1998.

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VIX Index chart at prior economic crisis points

An important historical aspect of the VIX is it tends to reach high levels at market bottoms. Could the current high level be signaling a market turning point looking forward. Last week's 4.7% market advance is certainly a start.


VIX (pdf)
CBOE Volatility Index White Paper

This article was written by Disciplined Approach to Investing. If you enjoyed this article, please vote for it by clicking the Buzz Up! button below.