backtesting

Run event-driven backtests with statistical copulas and parameter optimization.

173|28|Updated Jun 2, 2026
One-click install
npx skills add https://github.com/gauss314/skills --skill backtesting-gauss314
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: backtesting
Source: https://github.com/gauss314/skills/tree/main/skills/backtesting
Command: npx skills add https://github.com/gauss314/skills --skill backtesting-gauss314

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires numpy, pandas, scipy, statsmodels, pytest, and includes scripts (resource) and references (resource) and assets (resource) and tests (resource) components.

What problem does it solve?

This skill solves the problem of unreliable financial strategy validation by providing a rigorous, event-driven backtesting environment that prevents common pitfalls like look-ahead bias and data snooping.

Core Features & Use Cases

  • Comprehensive Metrics: Calculate over 30 risk and performance ratios using vectorized numpy operations.
  • Advanced Simulation: Perform forward-looking simulations using Johnson SU marginals and t-Copulas to model complex market dependencies.
  • Validation Suite: Ensure mathematical and logical consistency with a 4-level validation suite covering CLI execution, edge cases, and regression testing.
  • Use Case: Use this skill to stress-test a new momentum strategy against historical S&P 500 data, ensuring it remains robust across different market regimes and transaction cost scenarios.

Quick Start

Run the backtesting skill to execute an event-driven SMA crossover strategy on your stock data file named my_stock.csv.

Frequently Asked Questions about backtesting

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

FAQPage Schema
How do I backtest a trading strategy while preventing look-ahead bias?

Backtesting requires an event-driven simulation environment to prevent look-ahead bias and data snooping. This framework processes historical market data sequentially, ensuring mathematical consistency and validating strategy performance without accessing future data points.

What is event-driven simulation in quantitative financial research?

Event-driven simulation in quantitative research processes market data chronologically to validate trading strategies. It supports parameter optimization and calculates over 30 risk and performance ratios using vectorized operations on historical data.

How do I perform forward-looking risk projection using statistical copulas?

Forward-looking risk projection using statistical copulas models complex market dependencies by fitting Johnson SU marginals and t-Copulas. This distribution fitting approach stress tests strategies across different market regimes beyond historical data limitations.

Can I use numpy and pandas for vectorized backtesting performance analysis?

Numpy and pandas support vectorized backtesting performance analysis by calculating over 30 risk and performance ratios. This framework requires numpy, pandas, and scipy to perform vectorized operations and stress testing on historical market data efficiently.

Does this backtesting framework support transaction cost scenarios and stress testing?

This backtesting framework supports stress testing across different market regimes and transaction cost scenarios. It validates strategy robustness by simulating momentum strategies against historical data while maintaining mathematical and logical consistency through a 4-level validation suite.

What is the best way to validate a momentum strategy against historical stock data?

Validating a momentum strategy against historical stock data requires an event-driven backtesting environment with parameter optimization. This framework executes SMA crossover strategies on CSV data files while preventing common pitfalls like data snooping through rigorous statistical validation.