In TradeX, "share" typically refers to a unit of ownership in a specific event outcome or market. TradeX is a platform for trading on the outcomes of future events, such as political elections or economic indicators. When you buy a share in TradeX, you're essentially investing in a prediction about whether a particular event will occur or not. If the event occurs as predicted, the share's value will increase; if not, it will decrease. Shares allow users to participate in trading on the platform and potentially earn profits based on the accuracy of their predictions.