It’s been a year of such extremes on Wall Street that even volatility measures have been historically volatile.

The Chicago Board of Options Exchange Volatility Index, or VIX, is a gauge for stock market volatility and investor sentiment. It’s important to point out that the VIX measures implied ...

Johannes Eisele / Getty Images The Cboe Volatility Index, better known by its ticker symbol VIX and often called the market's "fear gauge," measures the market's expectation of future volatility ...

You may have seen references to something called the VIX, an index that measures volatility, during times of extreme financial stress. The VIX has soared in April, briefly going above 60 ...

The stock market’s "fear gauge" jumped Monday after Moody’s downgraded the U.S. government’s credit rating. The Cboe Volatility Index, which trades under the ticker symbol VIX, was up 13% on Monday ...

Wall Street’s fear gauge is heading skyward. The Cboe Volatility Index, or VIX, recently stood over 10% higher at about 50. It had jumped above 60 in earlier trading Monday. There have been only two p ...

Let us first take a step back and look at the definition of the VIX index: The VIX, or CBOE Volatility Index, represents the market's implied volatility for S&P 500 index options over the next 30 ...

After a dramatic spike higher in April, Wall Street's "fear gauge" has been cruising lower for six straight weeks. According to Dow Jones Market Data, the Cboe Volatility Index, also known as the fear ...

The Cboe Volatility Index, or VIX, spiked 84% on Monday, its largest single-day increase of all time, according to data going back to 1990. The price swings are a change of pace for a stock market ...