QuantConnect / QuantConnect/Lean

Implement FixedSlippageModel and VolumeShareSlippageModel

Open
#4,897 1 comment 1 reaction 0 assignees View on GitHub

Nobody has claimed this yet.

feature
Dominant language
C#
Stars
21.7k
Forks
5.3k
Avg merge
2d 22h
Merged PRs (30d)
34

Description

Expected Behavior

Provide the following built-in models:
FixedSlippageModel: Simple model assuming a fixed-size spread for all assets.
VolumeShareSlippageModel: Model slippage as a quadratic function of the percentage of historical volume.

Actual Behavior

Only ConstantSlippageModel.

Potential Solution

Implement these models.

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 locating the existing ConstantSlippageModel and the surrounding slippage-model interfaces or tests. Define the expected behavior for FixedSlippageModel and VolumeShareSlippageModel from the issue, then verify that both built-in models are available and covered by relevant tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
fintech-quant
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.