价格持平 meaning in Chinese

price parity

Sge sources said 100 - gram gold bars , which debuted on monday at an initial price of 160 yuan ( 20 . 5 u . s . dollars ) per gram , started spot trading at an opening price of 157 yuan per gram and then remained flat for the entire trading session , closing at 157 yuan per gram , a drop of three yuan
上海黄金交易所的消息来源说，周一首次推出的100克金条的最初价位是每克160元（ 20 . 5美元），现货交易开始时的开盘价是每克157元，交易期间价格持平，收于每克157元，下跌3元。