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09-20-2018, 01:12 AM
Explainer: Wall Street 'fear gauge' - manipulated or maligned?

Cboe Global Markets is taking several steps, including recruiting artificial intelligence, to put to rest concerns that its VIX volatility index was prone to manipulation and that contributed to a blow-up of some complex volatility products in February. WHAT IS THE VIX? The VIX is a measure of expected 30-day volatility for U.S. stocks based on options on the S&P 500 Index.

https://finance.yahoo.com/news/explainer-wall-street-fear-gauge-052229165.html?.tsrc=rss