QuantGPT — AI-Powered Quantitative Factor Research Platform
Copyright (c) 2026 Miasyster
Licensed under the MIT License (see LICENSE file)

Repository: https://github.com/Miasyster/QuantGPT
Initial commit: 2026-03-20 (git SHA: 3538047)

This project is the original source of the following core modules:
  - expression_parser.py   Factor expression DSL parser (50+ operators, WQ BRAIN aligned)
  - backtest.py             Quantile-group backtest engine
  - market_data.py          A-share market data fetcher with Parquet caching
  - report.py               HTML report generation and metrics extraction
  - neutralize.py           Industry and market-cap factor neutralization
  - anti_overfit.py         Statistical overfit detection (4 tests)
  - rolling_validator.py    Walk-forward rolling validation
  - iteration.py            Factor iteration and optimization
  - composite.py            Multi-factor combination engine
  - rust_bridge.py          Python-Rust interop bridge
  - engine/                 Rust native backtest engine (PyO3/maturin)

Any derivative works based on these modules should retain this notice
and comply with the MIT License terms.