Hi Steve, yes you are right in EA studio you can only create a single asset portfolio. But can check the combined results manually easily enough.
Also I would say that expecting 7 months results to be good for a strategy only developed using 2 years of data on M5 is also pretty unrealistic.
2-3 months would be a better wf amount in my opinion.
Also remember you are not managing robots in anyway with that system but simply putting them on and leaving them for 7 months (which is ages).