A Chrome Stock Ticker Extension

A lightweight Chrome extension that displays real time stock prices in a popup window using the Finnhub API. Users can enter any stock symbol, save it, and instantly fetch the current price.

Features:

• Enter and save any stock ticker symbol
• Fetches real time stock prices using Finnhub
• Uses Chrome Storage API to remember your chosen symbol
• Clean popup interface with stock price display
• Custom stock-trend icons

Setup:

1. Clone the repo:
   git clone https://github.com/your-username/Chrome-Stock-Ticker-Extension.git
2. Get a free API key from Finhubb at https://finnhub.io/
3. Create a config.js file in the project root: const apiKey = "YOUR_API_KEY_HERE";
4. Open Chrome and go to chrome://extensions.
5. Enable Developer mode.
6. Click Load unpacked and select this project folder
7. Pin the extension and test it from the toolbar.

Future Improvements

• Show stock changes in the popup itself !
• Support multiple saved stocks
• Add charts for recent price trends
• Improve popup.html ✓
• Update the ticker periodically when open ✓
• Show stock price change directly on the toolbar badge ✓