yStock is a simple tool that allows users to track stocks easily. With the ability to search by code or name, users can effortlessly create lists and stay updated with the latest stock values. The tool supports both Taiwan and US stock markets, providing users with real-time information. One of the key features of yStock is the ability to sort stocks based on their importance, allowing users to prioritize their investments. Additionally, the tool offers page management functionality, making it more efficient for users to track multiple stocks. yStock also provides users with the top five bids, helping them stay on top of market trends.

Please note that creating too many lists on a single page may slow down the tool's performance. Users are encouraged to utilize the page management feature to categorize their queries effectively. For any suggestions or feedback, users can reach out to the developer via email at

yStock is completely free and does not contain any advertisements. However, it is important to note that the data provided by yStock is sourced from Yahoo! Finance and should be used for reference purposes only. Users are responsible for any trading losses that may occur based on the information provided. The developer does not take any responsibility for incorrect data, delayed updates, or transmission interruptions.

Versionof yStock includes a fix for the issue where US stock data was not being retrieved properly. Additionally, the update introduces new features such as intraday charts (small and detailed), related stock news (Taiwan market), and options for adjusting height and list styles. The update also includes program optimization to enhance efficiency and error handling, as well as an update to the Manifest to V3.

For a complete list of previous versions and their updates, please visit the official website.