Implied Volatility Rank Indicator (IVR)
When trading future options, you dont have built in implied volatility. You need to calculate the IV by calculating (volaCloseToday - volaLowest-52weeks)/(volaHighest-52weeks - volaLowest-52weeks). If the IVR is above 40%, then you should think about checking options premium, since premium is currently higher as in former days. In order to see, whether the Volatility Rank is above 40, the color of the line is green when over 40 or red if IVR is under 40.
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