crates/system/README.md
System-level components and orchestration for NautilusTrader.
The nautilus-system crate provides the core system architecture for orchestrating trading systems,
including the kernel that manages all engines, configuration management,
and system-level factories for creating components:
NautilusKernel - Core system orchestrator managing engines and components.NautilusKernelConfig - Configuration for kernel initialization.NautilusTrader is an open-source, production-grade, Rust-native engine for multi-asset, multi-venue trading systems.
The system spans research, deterministic simulation, and live execution within a single event-driven architecture, providing research-to-live semantic parity.
This crate provides feature flags to control source code inclusion during compilation:
streaming: Enables persistence dependency for streaming configuration.python: Enables Python bindings from PyO3 (auto-enables streaming).defi: Enables DeFi (Decentralized Finance) support.live: Enables live trading mode dependencies.tracing-bridge: Enables the tracing subscriber bridge for log integration.extension-module: Builds as a Python extension module.See the docs for more detailed usage.
The source code for NautilusTrader is available on GitHub under the GNU Lesser General Public License v3.0.
NautilusTrader™ is developed and maintained by Nautech Systems, a technology company specializing in the development of high-performance trading systems. For more information, visit https://nautilustrader.io.
Use of this software is subject to the Disclaimer.
© 2015-2026 Nautech Systems Pty Ltd. All rights reserved.