depegged到底应该翻译成什么？

金融术语
放弃和xx货币绑定

今日早市人民币兑美元汇率涨至7.7345, 达到其自2005年7月放弃和美元联动以来的最高点.
Earlier in the day the yuan climbed as high as 7.9345 to the dollar, its highest level since it was depegged from the U.S. currency in July 2005.

不牢固