Dear all,
We have used Tradestation for both backtesting and as broker for years. We have used Interactivebrokers as broker for even longer (almost 15 years!) Interactivebrokers is probably the best broker out there for most people, from beginners to small hedge funds, because of low-commissions, margin rates, portfolio margin, many worldwide markets in one universal account and so on.
We developed a few automated systems programming using IB’s API (ActiveX) and they are working fine, even…