So I understand the scanner usage, I understand the IZSS, but what I do not understand is how to incorporate the correct spread- ITM-OTM-NTM selection to use the IZSS. In other words, how do I select the correct spread to effectively take advantage of the direction of the trade?
Check out this step by step course and it should answer all your questions for you : http://apexinvesting.net/trading-nadex-spreads-with-izss-course/