黑色建材周报：供需矛盾不减，玻碱盘面走弱-20251019

1. Report Industry Investment Rating - Glass: Oscillating weakly [3] - Soda Ash: Oscillating [3] - Cross - variety: None [3] - Cross - period: None [3] 2. Core Viewpoints - Glass: This week, the glass mid - and downstream demand weakened further, with both volume and price dropping, and the de - stocking pressure increased. As the consumption peak season is about to end and some production lines still have the expectation of resuming production, the glass price is expected to continue to run weakly [1]. - Soda Ash: The supply - demand contradiction of soda ash remains. There is still an expectation of further increase in high - level supply, the demand side has resilience, and the de - stocking pressure persists throughout the year. Soda ash maintains a weak operation [2]. 3. Summary by Relevant Contents Price and Spread - Glass: The closing price of the glass main contract 2601 was 1095 yuan/ton, a week - on - week decrease of 112 yuan/ton, or a decline of 9.28%. The domestic float glass market price was 1246 yuan/ton, a week - on - week decrease of 14 yuan/ton [1][5]. - Soda Ash: The closing price of the soda ash main contract 2601 was 1209 yuan/ton, a week - on - week decrease of 31 yuan/ton, or a decline of 2.5% [1][5]. Supply - Glass: The float glass enterprise operating rate was 76.35%, a week - on - week increase of 0.34%, and the capacity utilization rate was 80.63%, remaining flat week - on - week [1][25]. - Soda Ash: The soda ash capacity utilization rate was 84.93%, a week - on - week decrease of 3.48%; the output was 74.05 tons, a week - on - week decrease of 3.93% [2][25]. Demand - Glass: After the festival, the real estate demand continued to be weak, the deep - processing rigid demand of glass decreased week - on - week, the inventory of middle - stream traders was high, and the speculative demand also weakened [1][27]. - Soda Ash: The demand was relatively stable [27]. Inventory - Glass: The total inventory of national float glass sample enterprises was 64.276 million heavy boxes, a week - on - week increase of 2.31%, with obvious inventory accumulation [1][30]. - Soda Ash: The inventory of domestic soda ash manufacturers was 170.05 tons, a week - on - week increase of 2.45%, with obvious inventory accumulation [2][30].