Product Engineering for the World’s leading Technical Charting Library
We helped Modulus Finance modernize FinChartX, improving performance, memory usage, charting capabilities, and technical indicator support for a financial charting library used by 800K users across 90+ countries.

Finance
800K Users Worldwide
90+ Countries
StockChartX: Enhancing Security and Performance for a Critical Financial Tool
FinChartX (formerly StockChartX) is an award-winning Technical Indicator Library that offers real-time interactive charts used by some of the world’s leading financial portals.
The earlier developers of Modulus Finance were sued for attempting to sell the source code without informing the owners. Entrusted with the further development and maintenance of the product, we prioritized security compliance alongside enhancing the product's performance and features.
Challenges
The existing codebase required optimization to handle real-time data processing more efficiently, ensuring a seamless user experience for financial analysts and traders.
The existing codebase required optimization to handle real-time data processing more efficiently, ensuring a seamless user experience for financial analysts and traders.
The existing codebase required optimization to handle real-time data processing more efficiently, ensuring a seamless user experience for financial analysts and traders.
Performance Optimization
Adding Technical Indicators
Incomplete handover
Performance Optimization
The existing codebase required optimization to handle real-time data processing more efficiently, ensuring a seamless user experience for financial analysts and traders.
Response
We a part of our initial deliverables and ongoing product engineering, we helped the client by creating a dedicated team that span across Design, Development, QA, and DevOps. We also created four core interfaces, two web apps for the business users and Mobile Apps for end customers
Business Admin / Owner
Customer Loyalty App
Server Application / CX Facing
Data Migration
Deliverables
Price & Chart Display Styles
Price styles are real-time, tick-by-tick graphs that display information in multiple visual formats. We built functionalities to add numerous price styles and chart display styles to FinChartX.
Custom Admin Control
FinChartX supports 100+ technical indicators that can be tailored to an institution’s requirements. We created an intuitive dashboard with which users can configure functionalities easily, including support for drawing tools.
RAM Optimization
To boost the platform’s performance across operating systems, and ensure desktop charts don’t burden the system.
Newly Added Indicators
We’ve added functionalities for new visual formats, including Elder Ray Index, Keltner Channel, Coppock Curve, and Twiggs Money Flow.
