Chronicle FIX
Microsecond-latency, multi-asset FIX Engine engineered for the most demanding trading environments. Trusted by top-tier banks, exchanges, and hedge funds with thousands of live deployments worldwide.
Talk to our teamKey Features
Microsecond Performance
Delivers round-trip times under 4 μs for New Order Single messages, verified at the 99th percentile with deterministic latency, maintaining your competitive edge.
High Throughput Capacity
Processes 100,000+ messages per second per session and scales beyond one million per server, so peak volumes never slow you down.
Customisable Per-Session Logic
Embeds counterparty-specific rules inside the engine for tailored, automated session behaviour.
Flexible Deployment Topologies
Chronicle FIX is delivered as a lightweight set of Java class libraries. It can be deployed seamlessly in on-prem or cloud environments. We are an AWS partner but remain cloud agnostic
Highly Available
Engineered for zero downtime. Built-in disaster recovery and active-active replication ensure continuous execution and instant failover, even during peak market stress.
Comprehensive FIX Version Support
Supports FIX 4.0 through 5.0 SP2, plus FIXT 1.1, enabling rapid onboarding of venues and counterparties.
Technical Information
Explore the advanced engineering principles that shape this product’s core, ensuring exceptional performance, operational resilience, and seamless scalability
Chronicle FIX
Chronicle FIX is a Java library implementing FIX protocol. Chronicle FIX is high throughput & low latency with High Availability, and is extensible and customisable.
Architecture Overview
A deep dive into core features and system design. Chronicle FIX is a high-performance Java library for implementing the FIX protocol.
Read MoreMonitoring and Control
Chronicle FIX supplies monitoring, control and testing tools which can be used for offline and/or online inspection.
Read MoreFailover and HA/DR
Achieve uninterrupted trading with Chronicle FIX failover, which instantly redirects connections to a synchronised backup acceptor.
Read MorePerformance & Scalability
By optimising the entire stack, from network hardware to schema parsing, we deliver consistent, deterministic performance.
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Client Stories
Trusted by top-tier financial institutions, Chronicle empowers firms to trade faster and smarter. Discover what’s possible through our client success stories powered by our ultra-low-latency.
February 19th, 2026
Transforming FX Infrastructure for a Major Canadian Bank
Chronicle worked in close partnership with the bank’s engineering and operations teams to design and implement a modernised FX routing platform.
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January 23rd, 2024
Vantage Markets: Global Retail Broker Enhances Trading Performance with Chronicle FIX
Chronicle was able to efficiently eliminate the persistent challenges faced by this client. Its connections are now very stable, ensuring that it receives quotes seamlessly, without latency concerns.
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January 11th, 2024
Delivering Enhanced Trading Performance: A Tier 1 Bank's Journey with Chronicle
The bank deployed Chronicle FIX, ensuring a consistent, high-performing, microsecond latency FIX experience for their clients.
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August 11th, 2023
StoneX: Futures Trading Performance Enhanced with Chronicle FIX and Chronicle Services
For StoneX, the decision to work with Chronicle was influenced particularly by the enhanced features and functionality of its software, and its nimble and flexible approach to service provision.
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