Group 1: Report's Investment Rating - No information provided Group 2: Core View of the Report - The short - side advantage in the plastics futures market has weakened, and the plastics futures are expected to maintain a volatile and slightly upward trend in the future [5][6] Group 3: Summary of Specific Market Conditions - Yesterday, the plastics futures 2605 contract showed a trend of increasing trading volume, decreasing positions, fluctuating strongly, and closing slightly higher. The intraday price center steadily moved up above the 6,735 yuan/ton line, reaching a maximum of 6,738 yuan/ton. The closing price rose 1.35% to 6,737 yuan/ton. The positions decreased slightly by 509 hands to 490,780 hands, a decrease of 0.1% [2] - In the top 20 long - and short - position rankings of the exchange, the positions of the plastics futures 2605 contract increased on both the long and short sides. The long side increased a total of 5,238 hands to 307,167 hands, and the short side increased a total of 4,364 hands to 358,184 hands. As the long - side increase exceeded the short - side increase, the net short position shrank to 51,017 hands [2] Group 4: Summary of Changes in Long and Short Positions of Top 20 Seats - Among the top 20 long - side seats of the plastics futures 2605 contract, 11 seats increased their long positions. Among them, 3 seats increased by more than 1,000 hands, and 7 seats increased between 100 and 1,000 hands, and 1 seat increased by less than 100 hands [3] - Among the top 20 short - side seats, 6 seats increased their short positions. Among them, 5 seats increased by more than 1,000 hands, and 1 seat increased by less than 100 hands [3] - Two seats carried out long - to - short operations, believing that the upward momentum of plastics futures prices is insufficient. Five seats carried out short - to - long operations, believing that plastics futures prices are expected to continue to strengthen [5]