“…attributes co-domination. Most of the dominant periods of oil financial attribute are before and after the occurrence of special events (Hu et al, 2021;Jia et al, 2021Jia et al, ), mainly including six periods: 2006Jia et al, .9-2007Jia et al, .3, 2007Jia et al, .7-2007Jia et al, .12, 2011Jia et al, .12-2013Jia et al, .4, 2015Jia et al, .5-2015Jia et al, .12, 2019Jia et al, .2-2019.9 and 2020.7-. The dominant period of oil commodity attribute is in the stable period of the crude oil market, which includes four periods: 2003.7-2006.9, 2007.3-2007.6, 2013.4-2015.5 and 2016.1-2019.2.…”