Framework Overview

What Neleus Is

Event-Driven Core

A reactive framework where every tick is an event. From market data stream to order execution in a single unified loop.

Deterministic Engine

Rust-based engine guarantees safety and performance, while the Python strategy layer offers ergonomic flexibility.

One Logic, All Modes

The exact same strategy code runs unchanged across Backtest, Paper, and Live environments.

Single Continuous Event Loop

Input

Market Data Stream

Core Logic

Strategy Reacts

Action

Order Lifecycle

State

Portfolio & Risk

Output

Reports & PnL

04