QuantConnect / QuantConnect/Lean

PearsonCorrelationPairsTradingAlphaModel Doesn't Use ScaledRaw Data

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Description

Expected Behavior

The PearsonCorrelationPairsTradingAlphaModel uses ScaledRaw data

Actual Behavior

The PearsonCorrelationPairsTradingAlphaModel requests historical data with the data normalization of the security subscription

Potential Solution

Update PearsonCorrelationPairsTradingAlphaModel to use ScaledRaw data

Reproducing the Problem

N/A. View source code

System Information

N/A

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
  • I have provided detailed steps to reproduce the issue

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 with Algorithm.Framework/Alphas/PearsonCorrelationPairsTradingAlphaModel.py at the source line linked in the issue. Check how the model requests historical data and compare that request with the expected ScaledRaw normalization. Done means the model requests ScaledRaw data as described; the issue does not mention a test to run.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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