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absbox

PyPI

an analytical library for cashflow modeling on ABS/MBS products

Versions collected1

Direct dependencies21From release 0.52.8

Last observed20 Oct, 17:36 UTC

README

Version 0.52.8 documentation

AbsBox

a structured finance cashflow engine wrapper for structured credit professionals:

transparency -> open source for both wrapper and backend engine, great variable inspection support.
human readable waterfall -> no more coding/scripting, just lists and maps in Python !
easy interaction with Python numeric libraries as well as databases/Excel to accomodate daily work.

installation

pip install absbox

Documentation

English -> https://absbox-doc.readthedocs.io
Chinese(inactive) -> https://absbox.readthedocs.io

AI Assistant Skill

absbox-skill -> ready-made workflows, reference tables and verified golden-path recipes that let AI coding assistants (opencode, Claude, etc.) model and project structured finance deals with absbox and the Hastructure engine.

Goal

Structuring
- Easy way to create different pool assets/deal capital structures and waterfalls
- User can tell how key variables(service fee/bond WAL/bond cashflow etc) changes in different structure of transactions.
Investor
- Given powerful modelling language to build cashflow model , user can price bonds of transaction with pool performance assumption

What it does

Provide building blocks to create cashflow models for ABS/MBS
Adapt to multiple asset classes
- Residential Mortgage / AdjustRateMortgage/ IO,PO,Balloon Mortgages / Auto Loans
- Corp Loans
- Consumer Credit
- Lease (For CMBS)
- Fix Asset (Solar Panel/Hotel)
- Receivable
- SRT/Siginificant Risk Transfer
- Master Trust
Features
- Sensitivity Analysis on different scenarios or deal structures
  - sensitivity analysis on pool performance assumptions
  - sensitivity analysis on capital structures or any deal components
- Bond Cashflow/Pool Cashflow Forecast, Pricing

What it takes to master

Python syntax, nice to have knowledge of functional programming ,or exposure to package toolz/lenses
Patience & Persistence, but remember , there is a slack community and responsive support !

Missing Features ?

Raise issues or disucssion with the prospectus or spreadsheet how asset cashflow should be projected.

Data flow

Data Privacy

User can have option to connect to a private calculation engine in his/her own environment

Screenshot_2024-08-19_15-09-10

Community & Support

Misc

Proposed Rule regarding Asset-Backed Securities: File No. S7-08-10

Downloads & popularity

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Versions 1

Collected releases

Version	Published	Direct dependencies	Open version
0.52.8	11 Oct 2026	21

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Repository

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yellowbean/absbox

Shared repository data · GitHub

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Metadata history

Meaningful changes

Current collected state Current

Observed since 20 Oct, 17:36 UTC

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Record identity

package:f960fa05d2a17a693b2bf82a2481e46d04d1763683789f50704b68e7135d0518

Package details

Ecosystem: PyPI
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Collected versions: 1
Source: PyPI

PACKAGE URL

pkg:pypi/absbox

Project links

Registry changelog documentation homepage repository

Source & dates

Source modified: Unknown
First observed: 20 Oct 2026
Last observed: 20 Oct, 17:36 UTC

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