finterion-charts (Python)

Python binding for Finterion Charts.

This package does not render anything. It builds, validates, and encodes ChartSpec JSON — the same JSON contract consumed by @finterion/charts-spec. Rendering is done in the browser by @finterion/charts-core, so charts produced from Python are pixel-identical to charts produced from TypeScript.

Install

From PyPI (once published):

pip install finterion-charts          # core: builder + cheap validator + codec
pip install "finterion-charts[schema]"   # add jsonschema-based strict validation
pip install "finterion-charts[pandas]"   # add pandas/numpy ergonomic builders
pip install "finterion-charts[jupyter]"  # add IPython iframe display helper
pip install "finterion-charts[all]"

From this monorepo (editable):

cd bindings/python
pip install -e ".[all,dev]"

Quickstart

from finterion_charts import ChartSpec, Indicator, Price, Marker

spec = (
    ChartSpec(theme="finterion-dark", background="#131722", grid="horizontal")
    .with_bars(time=time, open=o, high=h, low=l, close=c, volume=v)
    .with_column("rsi14", rsi)
    .add_panel(Price(id="price", weight=3, title="AAPL", type="candles"))
    .add_panel(Indicator.panel(
        id="rsi", weight=1, title="RSI 14",
        values="rsi14", color="#a3ff12",
        ref_lines=[30, 70], y_range=(0, 100),
    ))
    .add_marker(Marker(time=ts, side="buy",  price=lo, label="B"))
    .add_marker(Marker(time=ts, side="sell", price=hi, label="S"))
)

spec.validate()                   # raises ValueError on invalid spec
spec.to_json("chart.json")
url = spec.embed_url()            # https://charts.finterion.com/embed/#spec=…

See examples/aapl_supertrend.py for an end-to-end example with OHLC, RSI, SuperTrend overlay, and buy/sell markers.

Licence

Finterion Community Licence v1.0 (source-available, not OSI-approved). Free to use — including commercially — as long as the default "Powered by Finterion" badge stays visible on rendered charts. To remove the badge or to build a competing hosted charting service, you need a commercial licence: contact licensing@finterion.com. See the LICENSE file shipped with the wheel, or the full text on GitHub.

Project links

Data verified by PyPI on Jul 10, 2026
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Credits

Author: Finterion

GitHub Statistics

Data verified by PyPI on Jul 10, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

Other/Proprietary License (Finterion Community License 1.0 (source-available, not OSI-approved). See LICENSE file.)

Requires

Python >=3.10

Provides Extra

all dev jupyter pandas schema

Tags

candlestick chart charts finance finterion ohlc trading

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