Quote from Rationalize:
Baskets of 500+ instruments can be traded through IB systematically, by writing maybe 200 good lines of C#.
I'd say that would take a couple of Saturday afternoons to code and test, if you're into that sort of thing.
The order execution and management is not really that hard for anyone who's managed async events before.
For anyone else .. no platform will help you imo.
Not putting shit on tradelink specifically. Just reminding the OP that profitable strategies are never a function of IT architecture.
There's a lot of nasty VBA out there that still kills it, strategy-wise.