Steve Mayo Legend  Posts: 414 Joined: 10/11/2012 Location: Austin, TX  User Profile | Assuming you are using "Filter, Rank & Combine" mode, port builder runs an optimization where it does what's called "Iterative Strategy Selection" (ISS). That is an optimization process that is highly dependent on the starting point, so moving even a day forward/backward can make a difference...moving 6 years would certainly give you vastly different results. [Edited by Steve Mayo on 2/13/2016 10:17 PM] | |
