Finstruments - Financial instrument library built with Python
finstruments is a Python library designed for modeling financial instruments. It comes with the core financial instruments, such as forwards and options, out of the box, as well as position, trade, and portfolio models. finstruments comes with the basic building blocks, making it easy to extend and build new instruments for any asset class. These building blocks also provide the functionality to serialize and deserialize to and from JSON, enabling the ability to store a serialized format in a document database. This library is ideal for quantitative researchers, traders, and developers who…
Finstruments - Financial instrument library built with Python launched on October 28, 2024 with 72 votes, #605 of 5,185 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
Finstruments is a Python library for modeling financial instruments including forwards, options, positions, trades, and portfolios. It includes core instruments out of the box and provides building blocks for creating custom instruments across asset classes. The library supports JSON serialization for storing data in document databases. It is designed for quantitative researchers, traders, and developers who need a streamlined approach to building and working with financial instruments.
written from the facts on this page · September 2026
From the sources
Financial instrument definitions built with Python and Pydantic - kyleloomis/finstruments
finstruments is a financial instrument definition library built with Python and Pydantic. Out of the box, it comes with the most common financial instruments, including equity forwards and options, as well as position, trade, and portfolio models. If an instrument doesn't already exist, you can leverage the building blocks to easily create a new instrument for any asset class. These building blocks also provide the functionality to serialize and deserialize to and from JSON, enabling API integration and storage in a document database. finstruments includes built-in support for serialization and deserialization of financial instruments, making it easy to save and load objects in formats like…from github.com
In the maker’s words, at launch
finstruments is a Python library designed for modeling financial instruments. It comes with the core financial instruments, such as forwards and options, out of the box, as well as position, trade, and portfolio models. finstruments comes with the basic building blocks, making it easy to extend and build new…
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