For any given day, CME security IDs are unique - a number will always refer to a single product. Are they unique over time as well? That is, might a new security have a security id that used to be ...
Looking at the contract specifications for Soybean Meal and Soybean Oil (same for Corn, Wheat, and other major stuff I checked) serial options on CME I see the following expiration rule: the last ...
Is there any other historical end-of-day CME option data provider rather then CME DataMine? I've searched all the internet and found only CBOE traded options.