Built for quants & ML engineers

    Annotate OHLC Charts.
    Train Smarter Models.

    A precision tool for labeling candlestick patterns, building training datasets, and running ML predictions — all in a fast, keyboard-driven workspace.

    Everything you need

    From annotation to model training, in one interface.

    Precision Annotation

    Draw rectangles, spans, and lines directly on OHLC candlestick charts with pixel-perfect accuracy.

    ML Training Pipeline

    Export annotated datasets in structured formats ready for model training and backtesting.

    Real-Time Predictions

    Run trained models against visible candles and visualize predictions with confidence overlays.

    Multi-Chart Workspace

    Load multiple CSV datasets, switch between charts, and manage annotations per session.

    Keyboard-First Workflow

    Shortcuts for every tool — R, S, L, D, T, B — designed for speed and flow.

    Export & Persist

    Export annotations as JSON. Your data, your format, your models.

    50ms
    Render latency
    6
    Shortcut keys
    JSON
    Export format

    Ready to label?

    No credit card required. Start annotating charts in seconds.