Returns the at-the-money (ATM) implied volatility details for the specified underlying security identifier

Returns weighted average of the implied volatilities from the options listed for a specified security identifier. There are three different methods available for calculating at-the-money implied volatility (ATM IV), which gives a weighted average of the implied volatilities from the options listed on a given stock. They are ATM IV (Filtered), ATM IV (Filtered with Smoothing), and ATM IV (Market). Each of these ATM IV calculations is available for just the calls on a given stock, just the pu...