quant-validation-audit

Identifies look-ahead leakage, transaction costs omissions, and over-optimization in quantitative trading code and backtests.

Updated Jun 9, 2026
One-click install
npx skills add https://github.com/bini59/316_stock_automation --skill quant-validation-audit
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: quant-validation-audit
Source: https://github.com/bini59/316_stock_automation/tree/main/.claude/skills/quant-validation-audit
Command: npx skills add https://github.com/bini59/316_stock_automation --skill quant-validation-audit

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides a rigorous audit procedure to detect look-ahead leakage, missing transaction costs, and overfitting in quantitative trading code, ensuring robust and trustworthy results.

Core Features & Use Cases

  • Look-ahead bias detection and leakage checks across model and data inputs.
  • Cost-aware validation that accounts for trading fees, slippage, and market frictions.
  • Cross-layer consistency checks between producer and consumer artifacts to prevent boundary mismatches.
  • In/out-of-sample verification to ensure realistic performance and robust out-of-sample behavior.
  • QA/audit support for ongoing compliance and governance.

Quick Start

Run this audit on your current backtest module to identify look-ahead leaks, missing costs, and overfitting risks.

Frequently Asked Questions about quant-validation-audit

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect look-ahead bias in my backtest code?

Look-ahead bias in a backtest is detected by auditing model and data inputs for leakage across producer-consumer boundaries. This process cross-checks regime transitions and strategy proposals to flag future information leaking into historical simulations.

What is the best way to validate quantitative strategies for overfitting?

Validating quantitative strategies for overfitting requires in/out-of-sample verification and cross-layer consistency checks. This approach identifies over-optimization risks to ensure robust out-of-sample behavior in live signals and production outputs.

How do I audit my quantitative trading code for missing transaction costs?

You audit quantitative trading code for missing transaction costs by applying cost-aware validation. This checks that trading fees, slippage, and market frictions are accurately accounted for across backtest modules and reconciliation outputs.

Can I use this audit for live signals and production-grade validation?

Yes, you can use this audit for live signals and production-grade validation. It applies contract awareness between layers to cross-check regime transitions, strategy proposals, and reconciliation outputs for ongoing compliance and governance.

Why does my out-of-sample backtest performance drop significantly?

Out-of-sample backtest performance drops significantly due to look-ahead leakage and over-optimization. Auditing artifact boundaries and verifying in/out-of-sample consistency identifies these overfitting risks and boundary mismatches to ensure robust performance.