Build the Future of Trading with JavaScript and AI
Create your own custom indicators and strategies on top of the most developer-friendly trading platform on the market.
New
Monetize your indicators on the TrendSpider Store
New
Build faster with Sidekick Agentic Coding Assistant
Access all of TrendSpider's market data in real-time in your scripts
Use real-time data (for all asset classes, including options), price history, technical, fundamental, alternative and custom data in your studies. Create complex data structures, perform advanced calculations and more. You can even pull in your own data using API, wget, file uploads, and more.
Use your custom studies beyond charts in backtesting, scanning, alerting, and more
Other platforms that only support using custom indicators on your charts. TrendSpider is different. Use custom studies anywhere in the platform. Scan the market with them, create strategies that use them, and more.
Generate unique, personal visualizations, overlays. Plot tables, charts, layers, and more
Unlike other platforms, you're not limited to painting lines on charts. Get fancy with it! Create overlays, underlays, put pie charts behind your price chart, insert tabular data, and more. The sky is the limit.
Build with
JavaScript
Use external custom data
Code
examples
Join the community
