DescriptionMonthly mean of VIX volatility index.png
English: using an R program, monthly means of the daily close of the CBOE VIX volatility index 2004 jan to 2019 feb were computed. (SEE: www.cboe.com/products/vix-index-volatility/vix-options-and-futures/vix-index/vix-historical-data)
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