FPState requires you to manage environments, dependencies (NumPy, SciPy, Matplotlib), and git. VSO is an executable. If you are a trader who hates debugging ModuleNotFoundError, VSO saves you hours.
In the Frame Throttle menu, ensure Sync to Exact Content Framerate is turned ON.
FPState is a code-first, statistical engine. It is designed for traders who are comfortable with Python, Pandas, and Jupyter Notebooks. It does not hide the complexity of survivorship bias, split adjustments, or Monte Carlo simulations behind a button. Instead, it gives you raw access to the data pipeline.