In the complex and ever-changing stock market, it is very helpful for investors to clearly understand the cost of each transaction, accurately grasp the profit situation, and skillfully use T-trading techniques. Our app can accurately calculate the cost and income after each increase or decrease in position, so that you can know the investment funds and income clearly. Using the stock T-trading function, you only need to enter the purchase price, number of shares, etc. to quickly calculate the cost and profit and loss of stock trading.