Fast
Near real-time data aggregation and responsive order execution for simulated equities trading.
Open Source Paper Trading
Learn markets with realistic trading infrastructure.
Pseudo Markets is a paper trading platform powered by real market data, built to make simulated trading feel closer to the real thing. It combines live market context, fast infrastructure, and accurate business rules for traders who want to learn by doing.
About
A more realistic approach to learning how to trade.
Pseudo Markets is designed for people who want a practical way to explore market behavior without risking real capital or having to open an actual brokerage account.
The goal is simple: make paper trading fast, accessible, and realistic enough to support research, learning, and strategy development.
Highlights
What defines the platform.
Insightful
Real market data for ETFs, stocks, and indices across multiple US exchanges, with more asset classes to come.
Cloud Based
Hosted in the cloud, with full source code available for local deployment via Docker.
Open and Secure
No ads, no tracking, and no unnecessary data collection. Open sourced under the MIT license.
Technology
Built with modern backend infrastructure.
Platform Stack
- Microservices built with .NET 10
- Containerized with Docker
- Aerospike + PostgreSQL for persistence
Data Sources
- FinnHub for ETF and stock quotes
- Yahoo Finance for S&P 500, Dow Jones Industrial Average, and NASDAQ index data
- Internal database that includes a majority of the stocks and ETFs listed on major U.S exchanges
Links
Explore the project.
Full launch is planned for mid-2026, but the code is available now for anyone who wants to explore or contribute.