聚酯开工继续下滑，需求走弱带动乙二醇盘面下行

Report Summary 1. Investment Rating No investment rating for the industry is provided in the report. 2. Core View The report anticipates that ethylene glycol will continue its low - level oscillation pattern. While cost support limits the downside price movement, high inventory and weak demand suppress price rebounds. Attention should be paid to the realization of coal - chemical production cuts and polyester restocking trends [4]. 3. Summary by Directory 3.1 Daily Market Summary - Price and Trading Volume: The main futures price of ethylene glycol has declined for three consecutive days to 4,240 yuan/ton on June 6, a decrease of 12 yuan/ton from the previous day. Trading volume shrank significantly by 34.6% to 233,000 lots, and positions decreased slightly by 0.1%. The East China spot price also weakened to 4,385 yuan/ton, with the basis widening by 12 yuan to 150 yuan/ton. The 1 - 5 spread rebounded by 60.9% to - 9 yuan/ton, but the 5 - 9 and 9 - 1 spreads were still under pressure [2]. - Cost: Oil - based production profit remained at a loss of 86.3 dollars/ton, coal - based production profit stayed at a deep loss of - 250 yuan/ton for five consecutive weeks, and methanol - based production profit deteriorated to a historical low of - 1,144 yuan/ton [2]. - Supply and Demand: The overall ethylene glycol operating rate increased by 0.5 percentage points to 54.4%, with the oil - based operating rate rising by 1.35 percentage points to 56.4% and the coal - based operating rate remaining unchanged at 50.5%. Polyester factory load was stuck at 89.4%, and the Jiangsu - Zhejiang loom load remained at 63.4%. East China main port inventory increased by 3.7% to 598,000 tons, reaching a four - week high, while Zhangjiagang inventory decreased slightly by 5.2% to 218,000 tons due to improved shipments [3]. 3.2 Industrial Chain Price Monitoring - Futures and Spot: The main contract of ethylene glycol futures decreased by 0.28% to 4,240 yuan/ton, and trading volume decreased by 34.58%. Positions decreased by 0.13%. The East China spot price decreased by 0.57% to 4,385 yuan/ton, and the basis widened by 8.7% [5]. - Spreads: The 1 - 5 spread of ethylene glycol increased by 60.87% to - 9 yuan/ton, the 5 - 9 spread decreased by 50% to - 12 yuan/ton, and the 9 - 1 spread decreased by 32.26% to 21 yuan/ton [5]. - Profits: Oil - based production profit was at a loss of 86 dollars/ton, ethylene - based production profit was at a loss of 577 yuan/ton, methanol - based production profit was at a loss of 1,144 yuan/ton, and coal - based production profit remained unchanged at - 250 yuan/ton [5]. - Operating Rates: The overall ethylene glycol operating rate increased by 0.83% to 54.4%, the oil - based operating rate increased by 1.35% to 56.4%, and the coal - based operating rate remained unchanged at 50.5%. Polyester factory load and Jiangsu - Zhejiang loom load remained unchanged at 89.4% and 63.4% respectively [5]. - Inventory and Arrivals: East China main port inventory increased by 3.69% to 598,000 tons, Zhangjiagang inventory decreased by 5.22% to 218,000 tons, and arrivals increased by 19.13% to 137,000 tons [5]. 3.3 Industrial Chain Data Charts The report includes charts on the closing price and basis of the ethylene glycol main contract, ethylene glycol production profit, domestic ethylene glycol plant operating rate, downstream polyester plant operating rate, ethylene glycol East China main port inventory statistics (weekly), and ethylene glycol industry total inventory [6][8][10].