Quick facts: The PRO STR, PRO STR BT and BTX Editions of Remek! Momentum are the standalone version of our Momentum product line, which means that no third party product is needed to run the program. PRO STR, PRO STR BT and BTX run directly on NT8, resulting in immense speed improvements. Additionally, PRO STR BTX alone can save you hundreds of hours in backtesting and research!