The 台股股票記帳 - 投資損益一手掌握 is a stock investment tracking app designed for the Taiwan Stock Market. It allows users to instantly monitor investment gains and losses, providing insights into current investment performance. The app categorizes stocks into spot, margin trading, short selling, and day trading, enabling clear tracking of each stock's profits and losses based on different trading categories. Users can easily manage stock dividends and cash dividends records with the dividend tracking feature.

With integration to Google accounts and cloud storage support, users can access the same transaction records from anywhere by logging in with the same account. The app offers real-time profit and loss display, customizable transaction fees, stock dividend tracking, multiple account support, and automatic calculation of trading expenses.