股票基金助手 - 盯盘神器 is a subscription-based extension designed for Firefox users, providing comprehensive tools for managing stocks and funds. This plugin offers real-time data comparable to major financial websites, allowing users to track their selected stocks and funds effortlessly. It supports customization for both fund and stock products, enabling users to monitor market dynamics without constantly checking their mobile devices or brokerage sites.

Key features include real-time tracking of selected A-shares, detailed stock and fund charts, and the ability to display profit data through customizable indicators. Fund users can analyze their holdings to understand price fluctuations, while stock users can access daily opening data, including prices and trading volumes. The extension also allows seamless switching between stock and fund panels, making it suitable for both stock and fund investors.