192 1 year1kloc-0/month 9, and1August 926. During the period, due to the alternation of political situation in Qingdao, there was panic in the economic circles, which also had a great impact within the quotation office, resulting in the project being suspended for more than two years. There are product department, currency department and securities department in the market. 1922, after China recovered Qingdao's sovereignty, it was renamed Qingdao Quotation Research Institute, a joint-stock company, and continued to be managed by the Japanese. Mainly engaged in peanut, oil, cotton yarn, cotton, flour, yen, silver dollar, stocks and other futures and securities price difference trading. 1925, a trade market was established here. 1938 merged with Qingdao stock exchange founded by Chinese businessmen after the next day. 1942 After the Pacific War broke out, it closed down due to lack of materials. 1944 in June, the above institute was dissolved by resolution, and officially closed in May 1945.