短纤：需求正反馈，短期反弹，关注反内卷会议结果，瓶片：短期反弹，关注反内卷会议结果

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Viewpoints - Short fibers and bottle chips are expected to have a short - term rebound, and the results of the anti - involution meeting should be monitored [1]. 3. Summary by Related Catalogs 3.1 Fundamental Tracking - Short Fibers - Futures prices of short fibers for different contracts (2511, 2512, 2601) increased, with the 2511 contract rising from 6108 to 6228, a change of 120 [1]. - Spreads between different contracts (PF11 - 12, PF12 - 01) increased by 18. The short - fiber主力基差 decreased from 180 to 93, a change of - 87 [1]. - The short - fiber主力持仓量 decreased from 216025 to 151701, a change of - 64324, and the主力成交量 decreased from 207131 to 205119, a change of - 2012 [1]. - The short - fiber华东现货 price increased from 6.320 to 6.335, a change of 15, and the short - fiber产销率 increased from 51% to 80%, a change of 29% [1]. - Bottle Chips - Futures prices of bottle chips for different contracts (2511, 2512, 2601) increased, with the 2511 contract rising from 5688 to 5770, a change of 82 [1]. - Spreads between different contracts (PR11 - 12, PR12 - 01) decreased, with PR11 - 12 decreasing from 24 to 20, a change of - 4, and PR12 - 01 decreasing from 36 to 28, a change of - 8 [1]. - The bottle - chip主力基差 decreased from 36 to - 10, a change of - 46. The bottle - chip主力持仓量 decreased from 39930 to 39592, a change of - 338, and the主力成交量 increased from 45240 to 59983, a change of 14743 [1]. - The bottle - chip华东现货 price increased from 5700 to 5740, a change of 40, and the bottle - chip华南现货 price increased from 5740 to 5770, a change of 30 [1]. 3.2 Spot News - Short Fibers - Driven by the anti - involution hype of PTA, short - fiber futures prices rose significantly. Spot prices in Jiangsu and Zhejiang remained stable, with a focus on sales. Fujian's afternoon quotes increased by 50 yuan/ton. Factory sales were fair, with an average sales - to - production ratio of 80% by 3:00 pm [2]. - Bottle Chips - In the morning, upstream raw material futures were mostly stable, and polyester bottle - chip factory quotes were mostly stable. In the afternoon, driven by the rise of upstream raw materials, some factory quotes increased by 50 - 70 yuan, and the negotiation range rose to 5750 - 5850 yuan/ton ex - factory. The market transaction was light [2]. 3.3 Trend Intensity - The trend intensity of short fibers and bottle chips on the reporting day's daytime session of the main - contract futures price fluctuations was 1, indicating a neutral trend [3].