gym-fx is an open-source Python library that implements a simulated Forex trading environment using the OpenAI Gym interface. It offers support for multiple currency pairs, integration of historical price feeds, technical indicators, and fully customizable reward functions. By providing a standardized API, gym-fx simplifies the process of benchmarking and developing reinforcement learning algorithms for algorithmic trading. Users can configure market slippage, transaction costs, and observation spaces to closely mimic live trading scenarios, facilitating robust strategy development and evaluation.

SimFin is a sophisticated platform designed for financial market analysis and portfolio optimization. By providing access to detailed financial data for over 5000 stocks, SimFin enables investors and analysts to make informed decisions based on comprehensive insights. The platform's advanced stock screener and backtesting capabilities, along with high-speed access for data downloads, make it an essential tool for anyone looking to enhance their investment strategies with robust, data-driven analysis.