exchd

The Problem

Most backtesting tools fail to capture queue position, price-time priority, and realistic fill behavior. This leaves strategy performance uncertain until you go live.

The Solution

exchd lets you run realistic exchange simulations entirely on your machine, with no cloud dependency or infrastructure setup. It models real-world market mechanics like order queueing, latency effects, and price-time priority — giving you a safe, fast environment to refine and test strategy logic before putting capital at risk.

Key Features

• Deterministic matching engine with price-time priority
• Synthetic market flow via configurable stochastic generator
• Sim-time clock and latency modeling
• Queue position, partial fills, and cancellation behavior
• Structured logs, fill summaries, and metrics output
• Runs as a single binary or Docker container

Who It's For

exchd is designed for quant researchers, fintech infra teams, and small trading shops building or validating strategy logic in-house.