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Show HN: TradeGrub Charts – Harting with In-Browser Python and Pine Script

TradeGrub Charts is a trading charting platform that supports in-browser Python and Pine Script for custom indicators and strategy development, allowing users to run code directly in the browser without backend servers.

Background

- TradeGrub Charts is a new web-based charting platform that lets users run Python and Pine Script (TradingView's scripting language) directly in the browser to build custom trading indicators and strategies. - The "Harting" in the title is likely a typo or inside reference — probably meant to say "charting." The core idea is in-browser coding for financial charts. - Hacker News "Show HN" posts are community showcases where founders/developers share side projects or startups they've built. - Pine Script is the proprietary language of TradingView, the dominant web charting platform. Allowing users to write Pine Script outside TradingView could appeal to traders who want more flexibility or who want to avoid TradingView's limitations or fees. - Running analysis code in the browser (via WebAssembly or similar) means users don't need to install Python locally or manage servers — it's convenient but may have performance constraints vs. a local setup. - Competitors include TradingView, GoCharting, and local setups using libraries like pandas, matplotlib, and TA-Lib.

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