Grademark Toolkit for algo trading and backtesting in JavaScript and TypeScript. This API builds on Data-Forge and is best used from Data-Forge Notebook (making it easy to plot charts and visualize). Check out the release notes to see updates and breaking changes. Click here to support my work Please see what this looks like in the Grademark first example and the unit tests in this repo. Love this? Please star this repo! First example From the Grademark first example here's some example output. Click to see the first example as a notebook. Analysis of a sequence of trades looks like this: Here's a chart that visualizes the equity curve for the example strategy: Here's another chart, this one is a visualization of the drawdown for the example strategy: Pre-requisites - Make sure your data is sorted in forward chronological order. Data format Your data needs to be loaded into memory in the following format: Features - Define a trading strategy with entry and exit rules. - Backtest a trading strategy on a single financial instrument. - Apply custom indicators to your input data series.

⚠ No verified equity curve — no track-record source connected.

No score history is stored yet — only the current score is shown.

⚠ No live verification account connected — ask for proof before buying.

Alerts on changes: coming soon

Prop-firm compatibility not provided.

Data-completeness & trust index (not a profitability rating)