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Connecting Your Trading Business

About QXFIX Engine

QXFIX Engine is an implementation of the Financial Information Exchange (FIX) protocol, designed for high performance, low latency, and extensive customization.

It provides a comprehensive API set that enables developers to build tailored FIX-based trading applications.

Financial institutions, brokers, and trading firms often face challenges in achieving:

  • High Straight Through Processing (STP)
  • Seamless global connectivity
  • Efficient business message analysis

QXFIX Engine addresses these challenges with a scalable, multithreaded, and cost-effective platform.

Its object-oriented APIs are tested with major exchanges and brokers, ensuring reliable integration with Order Management Systems and other trading platforms.

Target Users

QXFIX Engine is designed for:

  • Buy-side and sell-side firms
  • Brokers and financial institutions
  • Software vendors integrating FIX capabilities

Why QXFIX Engine

QXFIX Engine is built with focus on:

  • Fast development and deployment for new counterparties
  • Easy customization and scalability
  • Reduced dependency on expensive FIX solutions
  • Lower development and testing effort
  • Faster conceptualization using sample code
  • Flexible FIX protocol implementation
  • Advanced analytics through custom plug-ins

Architecture

QXFIX Engine follows a modular and scalable architecture based on the .NET framework.

It is:

  • Multithreaded
  • High-performance
  • Reliable and scalable

Key Features

View QXFIX Engine Features
  • Built using .NET with multithreading support
  • Supports FIX session-level logic
  • Supports Initiator, Acceptor, and hybrid modes
  • XML-based configuration for flexibility
  • Supports FIX dialects (custom implementations)
  • Provides open-source sample applications
  • Supports IP filtering for access control
  • Message throttling support
  • Session timeout configuration (LogonTimeout, ConnectionTimeout)
  • Custom GapFill mechanisms
  • Sequence number reset controls
  • Message latency monitoring
  • Backlog monitoring at counterparty side
  • Database and file-based persistence
  • Supports FIX versions 4.0–5.0 SP1
  • SSL and encryption support
  • Custom message validation levels
  • Event-based alerts (message, session, errors)
  • Custom logging support
  • Unlimited FIX sessions (license dependent)
  • Automatic sequence reset scheduling

QXFIX Engine Knowledgebase

The QXFIX Engine Knowledgebase provides:

  • Step-by-step FIX protocol understanding
  • Module-level implementation guidance
  • Interaction between components
  • FAQs and code examples

It helps developers reduce the time required to design and implement FIX-based solutions.

QXFIX Engine Trial

A 30-day evaluation version of QXFIX Engine is available via Downloads.

Extended evaluation can be requested.

For integration guidance, contact the development team with your requirements.

What is FIX Protocol

About FIX Protocol

FIX Protocol is an electronic communication standard for real-time exchange of financial information.

It enables:

  • Pre-trade communication
  • Trade execution
  • Post-trade processing

It is widely used across:

  • Equities
  • Fixed income
  • Futures
  • Options
  • Forex

Not Software but a Standard

FIX is not software — it is an open specification used to build trading systems.

It is:

  • Protocol independent
  • Flexible
  • Extensible

Role of FIX Engine

A FIX Engine is responsible for implementing FIX protocol specifications.

It acts as the backbone of trading systems by enabling:

  • Connectivity with counterparties
  • Communication with exchanges
  • Integration with liquidity providers

Flexible Implementation

Organizations can:

  • Implement required FIX features
  • Customize protocol behavior
  • Extend functionality

This enables cost-efficient and scalable trading solutions.

Integration with Trading Applications

Developers can integrate FIX into existing systems without deep protocol knowledge.

This ensures:

  • Seamless integration
  • Faster development
  • Improved trading workflows

Who Uses FIX

FIX Protocol is widely used by:

  • Exchanges
  • Investment banks
  • Brokers
  • Mutual funds
  • Fund managers
  • ECNs

Benefits of FIX Protocol and FIX Engine

Standardization and Interoperability

Ensures consistent communication across trading systems.

Straight Through Processing (STP)

Automates trade lifecycle, reducing errors.

Cost Reduction

Minimizes manual intervention and operational costs.

Real-Time Data Exchange

Provides instant access to trading data and updates.

Scalability and Flexibility

Supports large trading volumes and multiple asset classes.

Market Transparency

Improves visibility into pricing and market data.

Security and Reliability

Ensures safe and secure transaction processing.

Global Connectivity

Enables seamless communication across global markets.