Power Quant Proprietary License
Copyright (c) 2026 Power Quant contributors. All rights reserved.

1. Permission to use
You may install and use this software, inspect its source code, and make
local copies and modifications for your own use. Permitted uses include
connecting to Power Quant services and performing research and backtesting.
Commercial use of the software is permitted under these same conditions.

2. Redistribution and resale
Unless you have prior written authorization from the copyright holders,
you may not redistribute, sublicense, publish, or resell this software or
its modified versions, including as part of another software product.
The copyright holders may distribute the software through their designated
release channels, including PyPI. This does not authorize recipients to
redistribute it.

3. Service access and results
This license does not grant access to Power Quant services or market data.
Service access requires a valid access token and remains subject to the
applicable service and data terms. These redistribution restrictions apply
to the software, not to your own research code or results; rights in market
data remain governed by the applicable data terms.

4. Third-party components
Third-party components retain their own licenses and copyright notices.
The restrictions above do not override rights granted by those licenses.
In particular, components identified as derived from vn.py remain subject
to the accompanying MIT license. Separately installed dependencies are
subject to their own licenses.

5. Disclaimer
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
AND NON-INFRINGEMENT. TO THE EXTENT PERMITTED BY APPLICABLE LAW, THE
COPYRIGHT HOLDERS ARE NOT LIABLE FOR DAMAGES ARISING FROM ITS USE.
