Contract

• Input: trading strategy definition (signal, universe, sizing, costs).
• Output: backtest audit report with strategy spec, data audit, statistics, stress tests, and verdict.
• Side effects: none.
• Dependencies: data source access.
• Stop condition: audit report complete with verdict.
• Risk: low.
• Boundary: produces audit report; does not execute live trading.

Quant Backtest Audit

Take a strategy and produce a backtest result you can defend. A backtest that can't survive audit is decoration.

When to use

• The user has a strategy and wants its historical performance.
• A claimed alpha or Sharpe needs independent verification.
• A live-trading decision will be made from the result.