Hello! After reading through many threads and trying a bunch of searches, I determined I'm just going to have to start a new thread to address my specific needs. What software would you recommend for someone who wants to begin to develop a trading system(s) and backtest it, for the specific purpose of learning and formulating a personal strategy for trading? Here's some points that might influence your answer: -I'm relatively new at trading -I'm expecting to trade stocks (for now, anyway) -I'm a software developer, so I can program -I'm not daytrading. I want my system to basically analyze what has happened in the market at the end of the day and then give me signals to execute (manually) the following morning. -I want the software to fairly flexible in terms of development; allowing me to change things and see their results quickly. (I'm using it as a learning tool. I don't have a specific strategy in my head that I just need to convert to code and be done with. It'll be an iterative process of coding different things and seeing how they work) -I don't need ANY real time or future data feeds, as long as I have sufficent historical data to work with. -It would be nice if I could eventually use the same software to actually trade with in the future, rather than have to change to new platform. -Money management/position sizing features highly desired. Once I figure out a strategy of when to buy and sell, I'd like to set different parameters for account size, risk, etc. to see how that impacts the results. -Absolute max price of something like $100/mth or $1k full license, though to actually accept this max cost, it would basically have to be my dream software! Of all the research I've done, it seems like the Tradestation platform is an ideal solution, save the cost. I'd either have to suck up $200/mth for the platform fee or toss idle money in the broker account to pay only $100/mth. On the other side of things, I could use the Wealth-Lab website for free, but I may get frustrated without a true GUI and coding into message boxes in a web browser (no validation/tool tips/etc). The WL client platform looks pretty cool but Fidelity has locked it away from US citizens...grr! If you can offer any recommendations, I would be greatful! thank you!