Group 1: Report Core Information - The report is about LPG and propylene futures on August 28, 2025, with the LPG cost rebounding and propylene supply - demand tightening and spot price rising [1] Group 2: Fundamental Tracking Futures Prices - PG2509 closed at 3,871 yesterday with a - 0.10% daily increase and 3,880 at night with a 0.23% night - session increase; PG2510 closed at 4,408 yesterday with a - 0.61% daily increase and 4,418 at night with a 0.23% night - session increase; PL2601 closed at 6,444 yesterday with a - 0.36% daily increase and 6,441 at night with a - 0.05% night - session increase; PL2602 closed at 6,478 yesterday with a - 0.57% daily increase and 6,449 at night with a - 0.45% night - session increase [1] Position and Trading Volume - PG2509 had 7,584 trades yesterday, a decrease of 258 from the previous day, and 15,526 positions, a decrease of 5000; PG2510 had 77,818 trades yesterday, an increase of 11179, and 88,792 positions, a decrease of 5275; PL2601 had 803 trades yesterday, a decrease of 314, and 4,820 positions, an increase of 76; PL2602 had 21 trades yesterday, an increase of 11, and 851 positions, a decrease of 1 [1] Spreads - The spread of Guangzhou domestic gas to PG10 contract was 192 yesterday, compared with 135 the previous day; the spread of Guangzhou imported gas to PG10 contract was 232 yesterday, compared with 185 the previous day; the spread of Shandong propylene to PL01 contract was 116 yesterday, compared with 3 the previous day; the spread of East China propylene to PL01 contract was 56 yesterday, compared with 8 the previous day; the spread of South China propylene to PL01 contract was - 19 yesterday, compared with - 42 the previous day [1] Key Industrial Chain Data - The PDH operating rate this week was 75.7%, compared with 76.3% last week; the MTBE operating rate was 63.5%, compared with 63.4%; the alkylation operating rate was 49.0%, the same as before [1] Group 3: Trend Intensity - The trend intensity of LPG is 0, and that of propylene is 0. The trend intensity ranges from - 2 to 2, with - 2 being the most bearish and 2 being the most bullish [7] Group 4: Market Information CP Paper Cargo Prices - On August 26, 2025, the September CP paper cargo price of propane was 516 dollars/ton, down 4 dollars/ton from the previous trading day; the price of butane was 492 dollars/ton, down 3 dollars/ton. The October CP paper cargo price of propane was 530 dollars/ton, down 5 dollars/ton from the previous trading day [8] Domestic PDH Device Maintenance Plans - Multiple companies have PDH device maintenance plans, such as Henan Huasong New Material Technology Co., Ltd. starting maintenance on May 12, 2023, with the end time to be determined; Jineng Chemical (Qingdao) Co., Ltd. starting maintenance on August 19, 2025, and ending in October 2025 [10] Domestic Liquefied Gas Factory Device Maintenance Plans - Many factories have maintenance plans, like Shengli Oilfield in Shandong starting a full - plant maintenance on June 16, 2025, and ending in late August 2025, with a normal output of 400 and a loss of 400 [10]