# longtrade

**Repository Path**: ganquanemail/longtrade

## Basic Information

- **Project Name**: longtrade
- **Description**: Option trading system based on longport API
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-11-08
- **Last Updated**: 2025-11-18

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# longtrade

![](/dark.png)
![](/light.png)

longtrade is an option trading application based on the [longport API](https://open.longportapp.com/en/) provided by [Longbridge Securities](https://longbridge.com).

## Features
- simple and efficient
- real-time price quotes
- Black-Scholes pricing calculator
- quick order placing

## How to use
1. Open up a margin account at [longbridge.com](https://longbridge.com).
2. Apply for API keys at [longport](https://open.longportapp.com).
3. You also need to subscribe for OPRA real-time option data at around 22 HKD/month. You can place your order in the longbridge mobile app. 
3. Clone this repository to your local machine. Place your keys according to the backend code.
4. **Backend.** create a python environment, and install dependencies with `pip install -r requirements.txt`.
5. **Frontend.** make sure [node.js](https://nodejs.org/en) is installed. `cd` to `frontend`, and install dependencies with `npm install`.
6. **Start service.** In terminal, `cd` to this repo, run 
```shell
./start.sh
```
to start the backend and the frontend services. Then go to `http://localhost:5173/` to use the application.