Group 1: Report Industry Investment Rating - Not provided Group 2: Report's Core Views - The exchange tightened trading position limits and increased intraday speculative handling fees, causing significant price fluctuations. It is recommended to mainly observe and participate with caution [2][3] Group 3: Summary According to Related Content Market Performance - Yesterday, the coking coal futures price fluctuated widely and closed down at the end of the session. On the spot side, the transaction of high - priced resources at some mines was weak, and prices declined; mainstream steel mills accepted the 6th round of coke price increase [2] - The Dalian Commodity Exchange issued a trading limit notice for coking coal futures, restricting the daily opening volume of non - futures company members or customers on different coking coal futures contracts and adjusting the intraday speculative trading handling fee rate for the 01 contract [2] Fundamental Situation - The policy of coal mine over - production verification is advancing, and with the approaching of the September military parade, the safety supervision situation is severe. Short - term coal mine production is mainly stable [3] - The structural inventory pressure of coking coal has been significantly relieved, but as coal prices rise, the downstream procurement pace has slowed down. The inventory at the mine end has stabilized at a low level this week [3] - It is expected that coal mines will probably continue the resumption of production next week, but due to multiple factors, the coal mine production increase progress is slow and easily interrupted by emergencies [3] - Steel mill blast furnaces are in good production this week, and the daily average pig iron output remains above 2.4 million tons [3]