QuantConnect / QuantConnect/Lean

Explore Operators on Python Indicators

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#3,107 4 comments 0 reactions 0 assignees View on GitHub

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feature indicator
Dominant language
C#
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Forks
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Avg merge
2d 22h
Merged PRs (30d)
34

Description

Expected Behavior

All operators work in comparing indicators. +, -, *, /.

Actual Behavior

Only < and > work. The other operators require referencing Current.Value

Potential Solution

Explore and understand why < > work and apply lessons to other operators.

Reproducing the Problem

This shouldn't work but it does.

Checklist
  • I have completely filled out this template
  • I have confirmed that this issue exists on the current master branch
  • I have confirmed that this is not a duplicate issue by searching issues

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by inspecting the linked PR 3106 diff and the indicator operator implementation it references. Reproduce comparisons using +, -, *, and / with Python indicators, then compare their behavior with < and >; done means all listed operators work without requiring Current.Value and the behavior is verified by relevant tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, python
Domain
data
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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