橡胶：震荡偏弱20260319

Group 1: Report Industry Investment Rating - The investment rating for the rubber industry is "shockingly weak" [1] Group 2: Core View of the Report - The trend strength of rubber is -1, indicating a bearish view [1] Group 3: Summary by Relevant Catalogs Fundamental Tracking - Futures Market: The daytime closing price of the rubber main contract decreased by 400 yuan/ton, the night - time closing price decreased by 230 yuan/ton, the trading volume increased by 40,371 lots, the holding volume of the 05 contract decreased by 5,883 lots, the warehouse receipt quantity increased by 460 tons, and the net short position of the top 20 members decreased by 3,214 lots [1] - Spread Data: The basis of "spot - futures main contract" remained unchanged, the "mixed - futures main contract" increased by 100, and the month - spread of RU05 - RU09 increased by 5 [1] - Spot Market: The outer - disk quotes of RSS3, STR20, SMR20, and SIR20 all decreased. The prices of substitutes such as Qilu butadiene styrene and Qilu cis - butadiene also decreased. The prices of imported rubber in the Qingdao market, such as Thai standard and Thai mixed, decreased [1] Industry News - As of March 15, 2026, the total inventory of natural rubber in bonded and general trade in Qingdao decreased by 0.28 million tons, a decrease of 0.42%. The bonded area inventory increased by 1.43%, and the general trade inventory decreased by 0.81%. The social inventory of natural rubber in China decreased by 1.56 million tons, a decrease of 1.13% [2][3] - The production enterprises of semi - steel tires and all - steel tires maintained a high - level operation. The downstream purchasing sentiment was improved, but there were still export resistances due to geopolitical factors, and the inventory performance of enterprises showed differences [3]