This module provides a complete, GUI-driven system for downloading and
maintaining historical stock market data across multiple timeframes
using free data sources (Yahoo Finance via yfinance).

It is designed for:
- Trading system development
- Multi-timeframe analysis
- Backtesting pipelines
- Research dashboards (Wyckoff, Elliott, Volume, Momentum, etc.)

The system supports both:
- Automated background updates
- Interactive manual control via a desktop dashboard

Private Use License (PUL) – Version 1.0

Copyright (c) 2026, Newell Trading Group

Permission is granted to any individual to use, copy, and modify this software for personal, private, non-commercial purposes only, under the following conditions:

Private Use Only

You may use this software only for personal, educational, or internal purposes.

You may not distribute, sell, lease, sublicense, or otherwise make it available to third parties without written permission from the copyright holder.

Modification

You may modify this software for personal use.

Modified versions may not be redistributed publicly or commercially without explicit authorization.

No Warranty

This software is provided “as-is,” without any express or implied warranty.

The copyright holder is not liable for any damages or losses arising from the use or inability to use this software.

Acknowledgment

Any private use or modification must retain this license notice in its entirety.

Termination

Violation of this license immediately terminates your rights to use the software.

By using this software, you agree to these terms.