In this article, we will explore the essential variables for Short trading on XREX crypto-fiat exchange, including the current balance, margin level, P&L, risk status, and liquidation price. We will also observe how these variables are affected by fluctuations in price, drops in collateral value, and increases in collateral, as displayed on the XREX app interface. Please note that the values exemplified here are for illustrative purposes only and should not be considered as recommendations or precise representations of Short operations on XREX. Our aim is to provide you with examples of how short variables may appear in various scenarios for your reference.