Low-Latency Platform

Built to Deliver
Exceptional Performance

Chronicle provides key building blocks for system-critical applications that bring exceptional performance and resilience.

Trusted by the World's Largest Financial Institutions

Chronicle has worked with top-tier actors in the financial sector to co-develop bespoke, low-latency/high throughput automated trading systems for many years. Our core design principles are built around ensuring that client infrastructure operates efficiently even in the most turbulent and volatile times.

"Chronicle allowed us to increase the throughput of the application ten-fold while reducing the memory requirement by an order of magnitude."

Attila-Mihaly Balazs

24 million

open source downloads per year


of the world's top 100 banks use Chronicle Software


yearly users globally

Enterprise Solutions


Chronicle FIX

The fastest Java FIX Engine on the market with microseconds latency. Trusted by top-tier banks and funds with thousands of deployed sessions globally.


Data Processing

Chronicle Queue Enterprise

Persisted messaging framework that handles massive throughput. Delivers superior control of outliers, and replicates easily across hosts.


Event-Driven Apps/ Microservices

Chronicle Services

A framework for event-driven architecture that makes it easy to build, test and maintain microservices or monoliths, locally or in the cloud.


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Tailored High-Performance Solutions


Production Hardened Software

Our software is deployed in some of the world’s largest banks as a core trading technology, proving it is ready to meet the most stringent requirements.

Reliable Performance

The products deliver microsecond latencies, not just on average - across all percentiles. This puts fewer limitations on the complexity of your business logic.

Increased Availability

Enterprise-grade data replication helps minimize downtime for critical applications to avoid any missed opportunities.

Ready for the Cloud

Deploy your application wherever best suits you - on a local server or in the cloud.

Complete Control of the Code

All customers get access to the Java source code - leaving you in complete control over your environment with the freedom to continually optimise your trading workflows.

Get Help from Our Experts

Our development and support teams have decades of experience working within the financial markets industry. They are ready to help with your biggest challenges.


Chronicle EFX

Chronicle provides a complete trading platform including Chronicle's FIX Engine and ready-made trading microservice Bookbuilders, Pricers, Hedgers, and Position Manager. This customisable package facilitates rapid yet complex decision-making to avoid missed trading opportunities. Adopted globally by many major banks and hedge funds

Chronicle EFX Microservices


Cloud Deployment

Chronicle offers flexible deployment for connecting and processing your data. Latency-sensitive workloads can be deployed on bare-metal, in the cloud or as hybrids. Chronicle runs on any cloud platform, including AWS, Azure, Alibaba, and Google Cloud.

The Latest at Chronicle

Monitoring Event Loops for Blockages

Chronicle’s open source Chronicle Threads library has a little known feature which is one of the first tools I get from my bag if a client reports that they are seeing latency outliers. The usual way that a developer will…

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Tutorial | MethodWriter and MethodReader Example

In this video, we look at a simple example of using a MethodWriter and MethodReader to write to, and then read from a queue.

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Monitoring Chronicle Services

Chronicle Services is a framework for building Event-driven microservices. Microservices built with Chronicle Services are efficient, easy to build, test, and maintain. Equally important they provide exceptional high-throughput and low latency. Monitoring and observability is a first class feature of…

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What our Customers Say

"Chronicle FIX handles billions of price ticks per week, delivers consistent low latency, and never misses a beat"

Head of EFX, ANZ

"I am an admirer of all things Chronicle, can honestly say, Chronicle Queue changed my entire perspective"


"Using this solution really made the difference when processing Big Data"

Shine Solutions

"ChronicleMap is a really great project. I use it for off-heap storage, it incredibly increases performance"

AbnomX Founder, Immunoinformatics Consultant at AbnomX

"Chronicle increased throughput ten-fold while reducing memory requirement by an order of magnitude"

Senior Software Engineer, Qiagen