TOS Streamlit Dashboard

A real-time dashboard using ThinkorSwim's RTD (Real-Time Data) and Streamlit.

Demo

https://github.com/user-attachments/assets/1d6446e0-5c49-4208-872f-f63a55da36a5

Prerequisites

Windows OS (required for ThinkorSwim RTD)
Python 3.10 to 3.13. Streamlit is not supported in 3.14
ThinkorSwim desktop application installed and running

Installation

Clone the repository

bash
git clone https://github.com/2187Nick/tos-streamlit-dashboard

Install dependencies:

bash
pip install -r requirements.txt

Usage

Start ThinkorSwim desktop application and log in
Run the dashboard:

bash
streamlit run app.py

Open the browser and navigate to http://localhost:8501

Interface Controls

Symbol: Ticker symbol (e.g., "SPY")
Expiry Date: Contract expiration date (Defaults to the nearest Friday)
Strike Range: Range of strikes to monitor (Defaults to +- $10)
Strike Spacing: Spacing between strikes (Defaults to 1)
Refresh Rate: Data refresh rate (Defaults to 15 seconds)
Start/Stop: Toggle data streaming

Notes

This does work with Ondemand. Can use this on weekends to review historical data.
Gamma values are displayed in millions of dollars per 1% move in underlying asset.

Build

This repo is a basic example. We hope you will build upon it and make it your own.
If you build something, share it and we can keep a directory of projects.

Credit

Backend:

@FollowerOfFlow worked some magic to get TOS RTD working directly with Python.

Check it out here: pyrtdc

Gamma Exposure Calculations: perfiliev

Support

@2187Nick

Discord

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