Let's say I have a multi million account in wich i want to trade automatically, undreds of stocks AND options. Tradestation is the reference about trading automation. The only plateform that provide, charts, analysis, backtesting ... and brokerage. At least that is what they say on marketing... I'm talking to real tradestation professional here, what are the bad thing about tradestation ? What are the limitations ? Are they possible to breach (using DLLs ?). Do you knowcompanyor peaple in this case (having developped really really complex strategy in tradestation and add-ons, including undreds of different positions?) May tradestation be a good choice here or the worst... ? (I'm talking only technologicaly here) Thanks in advance for the answers.