英文overnight的缩写。在资金拆借
市场，隔夜是指款项当天交收，第二天到期。在
互换交易(swap)中，隔夜是指第一次交换当天完成，第二天反向交换，完成整笔交易。
Synonym: Overnight
Abbreviation for overnight that is used in swap and deposit transactions when the first value date is today and the maturity falls tomorrow. The overnight swap price is adjusted by the interest rate differential for that short period
