On January 7, the prices of Hangzhou Yingfei ring-spun pure polyester yarn increased. T16S was quoted at 10,000 (+200), T21S at 10,100 (+200), T26S at 10,600 (+100), T30S at 10,700 (+100), T32 at 10,800 (+100), and T40S at 12,000 (+100), with actual orders negotiated based on quantity. PriceSeek analysis of polyester yarn, with a bullish-bearish score of 1.5: The prices of various specifications of Hangzhou Yingfei ring-spun pure polyester yarn increased by 100-200 yuan/ton, such as T16S quoted at 10,000 yuan (+200) and T21S at 10,100 yuan (+200), reflecting tight supply and demand in the spot market or cost support, directly benefiting the spot price of polyester yarn. As an upstream raw material, polyester staple fiber futures contracts (e.g., Zhengzhou Commodity Exchange 2602 contract settlement price of 6,522 yuan, up 28 yuan; 2603 contract settlement price of 6,520 yuan, up 40 yuan) show continued price increases. The increase in open interest indicates enhanced market bullish sentiment, further supporting the upward expectation of polyester yarn futures prices and benefiting the overall market trend.