瓶片：高位波动，保持防范上行风险20260317：短纤：高位波动，保持防范上行风险20260317

Report Industry Investment Rating - The report does not mention the industry investment rating. Core Viewpoints - Short - fiber and bottle - chip markets are in high - level fluctuations, and it is necessary to guard against upward risks [1] Summary by Related Catalogs Fundamental Tracking Short - fiber - Futures prices: Short - fiber 2604 was 8382 yuan, down 74 yuan from the previous day; short - fiber 2605 was 8340 yuan, down 48 yuan; short - fiber 2606 was 8276 yuan, up 286 yuan [1] - Spread: PF04 - 05 was 42, down 26; PF05 - 06 was 64, down 334; PF main basis was 18, down 26 [1] - Position and trading volume: The main position of short - fiber was 157,572, down 73,425; the main trading volume was 40,925, down 7,846 [1] - Spot price and sales rate: The spot price in East China was 8,400 yuan, down 100 yuan; the sales rate was 54%, unchanged [1] Bottle - chip - Futures prices: Bottle - chip 2604 was 8342 yuan, up 28 yuan from the previous day; bottle - chip 2605 was 8307 yuan, up 65 yuan; bottle - chip 2606 was 8168 yuan, up 88 yuan [1] - Spread: PR04 - 05 was 36, down 36; PR05 - 06 was 138, down 24; PR main basis was 482, down 138 [1] - Position and trading volume: The main position of bottle - chip was 44,893, up 758; the main trading volume was 195,736, up 98,369 [1] - Spot price: The spot price in East China was 8650 yuan, down 50 yuan; the spot price in South China was 9000 yuan, unchanged [1] Spot News Short - fiber - Futures prices rose first and then fell. Factory quotes remained stable, with semi - bright 1.4D mainstream quotes at 8600 - 8700 yuan/ton. As futures prices rose, discounts from traders and futures - cash traders narrowed, with the mainstream price range at 8350 - 8600 yuan. Downstream buyers were mostly on the sidelines, and the average sales rate of direct - spinning polyester staple fiber factories was 47% [1] Bottle - chip - Upstream raw material prices continued to rise. Polyester bottle - chip factory quotes were mostly raised by 100 - 500 yuan. The market trading atmosphere was light, with a large gap between high and low transaction prices. Most 3 - 5 month orders were traded at 9000 - 9200 yuan/ton ex - factory, slightly lower at 8900 - 8950 yuan/ton ex - factory, and locally slightly higher at 9450 - 9550 yuan/ton ex - factory [2] Trend Intensity - The trend intensity of short - fiber and bottle - chip was 1, indicating the daily - session main - contract futures price fluctuations on the report day [2]