persistency reference持续引用
milk persistency泌乳持续性
Persistency Commission续期佣金
customer persistency客户忠诚度
pollutant persistency[环境] 污染物持久性
immunization persistency免疫持久性
persistency ratio续保率
data persistency数据持久性
It argues that there is not the day-of-the-week effect in return rate series but one to two weeks of contingency, while there is the day-of-the-week effect and persistency in volatility, and the trading volume is helpful to interpret the volatility.
分析认为,深市日收益率序列不存在每周不同天效应,但存在 12星期的记忆性;波动率序列则存在每周不同天效应和持续性;同时,交易量对波动率具有很好的解释作用,而波动率则不对交易量具有解释作用。
参考来源 - 深市波动率特征分析