纯苯：高位震荡

Group 1: Report Industry Investment Rating - There is no information about the report industry investment rating in the provided content. Group 2: Core Viewpoints - The pure benzene market is expected to experience high-level fluctuations [1] - The trend strength of pure benzene is neutral, with a value of 0 [2] Group 3: Summary Based on Related Catalogs Fundamental Tracking - Futures prices: BZ2603 decreased by 58 to 6179, BZ2604 decreased by 44 to 6160, BZ2605 increased by 9 to 6231 [1] - Spread prices: BZ2603 - BZ2604 decreased by 14 to 19, BZ2604 - BZ2605 decreased by 53 to -71 [1] - Paper prices: N+1 decreased by 35 to 6130, N+2 decreased by 25 to 6120 [1] - Inventory: Pure benzene inventory in East China ports decreased by 1.7 to 14.6 (in ten thousand tons), and styrene inventory in East China ports decreased by 10040 to 128640 (in tons) [1] - Price differences: Shandong pure benzene price decreased by 10 to 6235, Shandong pure benzene price - hydrogenated benzene price decreased by 10 to 10, Shandong pure benzene price - East China pure benzene price increased by 30 to 105 [1] News - As of August 11, 2025, the commercial inventory of pure benzene in Jiangsu ports decreased by 1.7 tons to 14.6 tons compared to the previous period, a month-on-month decrease of 10.43%, and increased by 10.3 tons compared to the same period last year, a year-on-year increase of 239.53% [2] - From August 4 to August 11, the estimated arrival was about 0 tons, and the estimated pick - up was about 1.7 tons [2] - On August 14, the non - long - term agreement trading volume of pure benzene in Shandong was about 300 tons, with an average price of 6235 yuan/ton, a decrease of 10 yuan/ton from the previous working day [2] - The spot negotiation price of pure benzene in East China decreased by 40 to an average of 6130, the August bottom transaction price decreased by 45 to an average of 6140, the September bottom transaction price decreased by 35 to an average of 6130, and the October bottom transaction price decreased by 25 to an average of 6120 [2]