nautilus-trading

Trading strategy machinery and orchestration for NautilusTrader.

The nautilus-trading crate provides core trading capabilities including:

• Forex sessions: Market session time calculations and timezone handling.

NautilusTrader

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.

Feature flags

This crate provides feature flags to control source code inclusion during compilation:

• defi: Enables DeFi (Decentralized Finance) support.
• examples: Enables example strategies such as EmaCross for backtesting and demos.
• extension-module: Builds as a Python extension module.
• high-precision: Enables high-precision mode to use 128-bit value types.
• python: Enables Python bindings from PyO3.

Documentation

See the docs for more detailed usage.

License

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.