Margin Trading Amount This value represents your current liabilities. If you utilize the margin amount when placing an order, this value will increase. After the U.S. stock market closes, this value will serve as the benchmark for calculating margin trading fees which will accrue after stock settlement. Short Selling Amount This value represents your current short-selling market value. If you short-sell stocks when placing an order, this value will increase. After the U.S. stock market closes, this value will serve as the benchmark for calculating short-selling fees which will accrue after stock settlement.