Returns the implied volatility information for the specified option identifier

Returns the Implied Volatility for the specified option across European and American contracts. For more details regarding Implied Volatility calculations visit - [OA 14932](https://my.apps.factset.com/oa/pages/14932) *Currently the following exchanges are not supported for API use cases - CME, CMEE, CBT, CBTE, NYM, NYME*