日波动 meaning in Chinese

diurnal fluctuation

An empirical analysis of the relation between daily liquidity and volatility in the shanghai copper futures market
上海铜期货日流动性与日波动性关系的实证研究
Based on the mixture distribution hypothesis ( mdh ) theory , the paper conducted an empirical study into the daily liquidity and volatility of three futures , i . e . , bronze , aluminum and natural rubber , and discovered that the trade volume and volatility display a significantly positive correlation , there is a significantly negative correlation between the open interest and volatility , and liquidity ratio and volatility have no significant correlation
摘要根据混合分布假设理论( mdh )等前人研究成果，及对中国期货市场三个主要期货交易品种铜、铝和天然胶期货的日流动性和日波动性的实证研究，可以发现：交易量与波动率有显著的正相关关系，持仓量与波动率有显著的负相关关系；而流动性比率与波动性却并没有显著的关系。