matplotlib / matplotlib/mplfinance
Volume candlestick
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- Dominant language
- Python
- Stars
- 4.4k
- Forks
- 678
- PR merge metrics
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Description
**Is your feature request related to a problem? Please describe.**
I am trying to plot the candlestick chart with width of candlestick as a 5th dimension.
**Describe the solution you'd like**
I was wondering if there is any way possible to modify the width of candlestick as the size of volume.
A detailed view for reference

https://school.stockcharts.com/doku.php?id=chart_analysis:candlevolume
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No file, test, or entry point is identified in the issue. Review mplfinance's existing candlestick and volume behavior, then compare it with the linked StockCharts reference to define how volume should control candle width. Done means the requested volume-scaled candlestick chart is implemented with tests covering the chosen behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- matplotlib, python
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 30/100