國際原油價格持續上行，為PP市shi場chang提ti供gong了le較jiao強qiang的de成cheng本ben支zhi撐cheng，價jia格ge因yin此ci高gao位wei整zheng理li。與yu此ci同tong時shi，聚ju丙bing烯xi生sheng產chan環huan節jie陸lu續xu有you企qi業ye停ting車che檢jian修xiu。由you於yu中zhong東dong衝chong突tu前qian景jing尚shang存cun不bu確que定ding性xing，且qie下xia遊you對dui當dang前qian高gao價jia接jie受shou度du較jiao低di，來lai自zi需xu求qiu側ce的de負fu麵mian反fan饋kui預yu計ji將jiang持chi續xu存cun在zai，價jia格ge上shang行xing空kong間jian受shou限xian。短duan期qi市shi場chang或huo進jin入ru漲zhang幅fu消xiao化hua階jie段duan，實shi際ji成cheng交jiao將jiang成cheng為wei驗yan證zheng價jia格ge的de關guan鍵jian因yin素su。