瑞达期货天然橡胶产业日报-20250821

Report Summary 1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints - The utilization rate of domestic tire production capacity fluctuated slightly last week. Some large semi-steel tire enterprises had about one - week maintenance, dragging down the overall enterprise production capacity utilization rate. The full - steel tire maintenance enterprises resumed work, driving up the full - steel tire production capacity utilization rate. There is still a slight upward space for the production capacity utilization rate as the maintenance enterprises gradually resume work, but the overall order performance is average, and enterprises will continue to control production, which will limit the increase in the overall production capacity utilization rate. The ru2601 contract is expected to fluctuate in the range of 15,500 - 16,000 in the short term, and the nr2510 contract is expected to fluctuate in the range of 12,450 - 12,900 in the short term [2]. 3. Summary by Relevant Catalogs 3.1 Futures Market - The closing price of the main contract of Shanghai rubber was 15,720 yuan/ton, up 45 yuan; the closing price of the main contract of 20 - number rubber was 12,600 yuan/ton, up 75 yuan. The 9 - 1 spread of Shanghai rubber was - 1,000 yuan/ton, down 45 yuan; the 9 - 10 spread of 20 - number rubber was - 65 yuan/ton, down 15 yuan. The spread between Shanghai rubber and 20 - number rubber was 3,120 yuan/ton, down 30 yuan. The trading volume and net positions of the main contracts of both types of rubber changed, and the exchange warehouse receipts decreased [2]. 3.2 Spot Market - The prices of Shanghai market state - owned whole latex and Vietnam 3L increased by 200 yuan/ton. The prices of Thai and Malaysian standard rubbers decreased by 15 US dollars/ton. The prices of Thai and Malaysian RMB mixed rubbers decreased by 120 yuan/ton. The prices of齐鲁石化's butadiene - styrene and cis - butadiene rubbers remained unchanged. The basis of Shanghai rubber and its non - standard products changed, and the price of 20 - number rubber in Qingdao market decreased [2]. 3.3 Upstream Situation - The market reference prices of Thai raw rubber (smoked sheets, films, and cup rubber) decreased, while the price of glue remained unchanged. The theoretical production profits of RSS3 increased, while that of STR20 decreased. The monthly import volume of technically classified natural rubber decreased, while that of mixed rubber increased. The weekly opening rates of full - steel and semi - steel tires changed [2]. 3.4 Downstream Situation - The inventory days of full - steel and semi - steel tires in Shandong increased. The monthly output of full - steel and semi - steel tires increased [2]. 3.5 Option Market - The historical 20 - day and 40 - day volatilities of the underlying decreased, and the implied volatilities of at - the - money call and put options decreased [2]. 3.6 Industry News - In the first week of the future (August 17 - 23, 2025), the rainfall in the main natural rubber producing areas in Southeast Asia decreased compared with the previous period, reducing the impact on rubber tapping. As of August 17, 2025, the total inventory of natural rubber in Qingdao decreased by 0.31 million tons, with a decrease of 0.50%. The inventory in the bonded area increased by 2.12%, and the general trade inventory decreased by 0.87%. The inventory in Qingdao continued to decline, with the bonded warehouse accumulating inventory and the general trade warehouse continuing to reduce inventory. The arrival and warehousing of overseas goods increased, but the tire enterprises' purchasing enthusiasm decreased [2].