On February 3, the market price of polyester staple fiber in Jiangsu region was concentrated at 6,450-6,600 yuan/ton ex-works. The decline in crude oil prices weakened cost support, while downstream demand remained cautious and wait-and-see, leading to sluggish market transactions and a drop in polyester staple fiber prices. PriceSeek analysis of polyester staple fiber, with a long-short score of -1.5: The decline in crude oil prices has weakened production cost support, and cautious downstream demand has resulted in sluggish market transactions. The spot price of polyester staple fiber has fallen to 6,450-6,600 yuan/ton, which is bearish for the spot market. In terms of futures, based on recent contract data (e.g., contract 2603 closing at 6,500 yuan/ton, down 80 yuan, with open interest decreasing by 19,896 lots), the downward price trend is evident. The contraction in trading volume reflects increased market bearish sentiment, exerting sustained pressure on futures prices. The score is -1.5 (between generally bearish and significantly bearish), due to dual bearish factors from both the cost and demand sides, though the decline has not reached extreme levels.