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
- Sensitivity Analysis on different scenarios or deal structures
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
Community & Support
Misc
Proposed Rule regarding Asset-Backed Securities: File No. S7-08-10
1 maintainer
Metadata
1 maintainer
Release files for absbox 0.52.8
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| absbox-0.52.8.tar.gz | 81.1 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| absbox-0.52.8-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 166.1 kB
Release files / absbox-0.52.8.tar.gz
| Download URL | absbox-0.52.8.tar.gz |
|---|---|
| Size | 81.1 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/6.1.0 CPython/3.12.8
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Release files / absbox-0.52.8-py3-none-any.whl
| Download URL | absbox-0.52.8-py3-none-any.whl |
|---|---|
| Size | 85.0 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/6.1.0 CPython/3.12.8
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