XXZQCAP

This is a stock trading cost analysis application that helps traders comprehensively evaluate their trading performance. It records basic information for each transaction, such as the buy price, sell price, and quantity, and calculates costs (explicit costs such as commissions, stamp duty, and slippage, as well as implicit costs such as time costs, opportunity costs, and psychological costs). It automatically calculates net profit/loss and profit margin, and identifies cost factors affecting profitability. It provides statistical analysis and cost optimization suggestions to assist trading decisions and improve trading efficiency.