# MSP CSV Export Format: reconstructing My Stocks Portfolio exports

> MSP CSV Export Format reconstructs the undocumented CSV export of the My Stocks Portfolio & Market app. The author compared eleven iOS exports, app displays and public translation strings to describe columns, blocks and transaction replay. A dependency-free Python parser and synthetic export exercise the documented rules and flag malformed input.

- Type: Case study
- Targets: App
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-06
- Original resource: <https://github.com/Izero/msp-csv-format>
- Primary source: <https://github.com/Izero/msp-csv-format/blob/d666b16d0f1d2501680204436dfdf1a64c3c2096/README.md>
- Catalog page: <https://awesomerea.org/resources/msp-csv-format-case/>
- Record JSON: <https://awesomerea.org/resources/msp-csv-format-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/msp-csv-format-case/index.md)

## Requirements & limits

- **Prerequisites:** An MSP CSV export is required for parsing personal data; Python 3.9+ is the documented runtime.
- **Limits:** The evidence base is eleven exports from one portfolio; some locale and transaction-order behavior remains unconfirmed.
- **License:** Apache-2.0 License.

## Primary sources

1. <https://github.com/Izero/msp-csv-format/blob/d666b16d0f1d2501680204436dfdf1a64c3c2096/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.