持平的中文解释

1.指股票或金融工具的价格既不上升也不下跌，也称sideways（横向波动）。2.形容债券以不带应计利息的条件买卖，例如遭违约的债券。3.形容头寸既非做多头亦非做空头。

Flat的英文解释

The price of a share or financial instrument that is neither rising nor falling; also called sideways. Also, a bond that is trading without accrued interest, such as a bond in default and a position in a market, or a financial instrument, which is balanced, neither long nor short.