# Rateslib ``Rateslib`` is a state-of-the-art **fixed income library** designed for Python. Its purpose is to provide advanced, flexible and efficient fixed income analysis with a high level, well documented API. The techniques and object interaction within *rateslib* were inspired by the requirements of multi-disciplined fixed income teams working, both cooperatively and independently, within global investment banks. Licence ======= This library is released under specific Dual Licensing Terms - Source-Available Non-Commercial Licence and Commercial Subscription Licence. See [latest licence](https://rateslib.com/py/en/latest/i_licence.html) This project is source-available, **not** open source. Commercial use requires a paid licence. Get Started =========== Read the documentation at [rateslib.com/py](https://rateslib.com/py/)