PTA: Basis continued to strengthen to -60 yuan/ton, and the monthly difference also strengthened. The Mid-Autumn Festival and National Day are approaching, and the polyester factory just needs to restock. In terms of market sentiment, the mood of the participants has improved slightly, and the industry has become more bullish. Everyone is optimistic about the traditional peak season expectations. The start of polyester production rebounded slightly to 87.7% (+1.1%). The terminal weaving, printing and dyeing orders are sluggish, and the start-up remains low, worrying about price increases, and the terminal enters the market to make up for the warehouse. In addition, crude oil surged overnight, pushing up the PTA valuation level and avoiding short position.