How I Build a Fast REST API for Trading Indicators

Posted By on November 9, 2025

In this episode I build a fast REST API for trading indicators in Python for my algo trading framework. After loading millions of candlesticks , calculating indicators like SMA and MACD became slow and sometimes crashed the app. I’ll show how the new Indicator REST API handles metadata, caching , and warmup periods , making indicator requests fast and efficient . The API integrates with my frontend which uses Lightweight Chart to display indicators smoothly.

Like and Subscribe 🙂

#algorithmictrading #devlog

▬ Links ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
IC Trading
► https://www.ictrading.com/?camp=86158 *

GitHub Project
► https://github.com/s-stolz/algotrader

Website
► https://www.tradingnerd.io/

Want to earn passive income on your Crypto? Try out Nexo!
► https://nexo.sjv.io/4eQZvM *

*Affiliate Link