Can your system be backtested?
What data feeds does your system use?
What Tradestation Studies are employed by your system?
Can your system adapt to different market conditions?
What is the current contract? What are the margins requirements for Tradestation?
Do you offer a free trial?
Which firms are actively involved in program trading?
What are the current Circuit Breaker levels employed by the NYSE?
Is there really a plunge protection committee?