塑料，空头优势增强

Group 1: Report's Investment Rating - No information provided Group 2: Core Viewpoints - The net short position of the plastic futures 2601 contract has expanded to 70,759 lots, and it is expected that the contract may maintain a weak and volatile trend in the future [7] Group 3: Summary of Specific Content Market Performance - The plastic futures 2601 contract showed a trend of increasing volume and open interest, weakening in oscillation, and closing slightly lower. The intraday price center moved slightly below the 6,900 yuan/ton line, with a minimum drop to 6,885 yuan/ton. At the close, the price closed down 0.85% to 6,888 yuan/ton, and the open interest increased slightly by 8,195 lots to 532,585 lots, an increase of 1.56% [2] Position Changes of Top 20 Long and Short Seats - The positions of the top 20 long and short seats in the plastic futures 2601 contract both increased. The long positions increased by 4,847 lots to 326,503 lots, and the short positions increased by 9,999 lots to 397,262 lots [2] Long Position Changes - Among the top 20 long seats, 13 increased their long positions. Three seats increased by more than 1,000 lots, and eight seats increased between 100 and 1,000 lots [3] Short Position Changes - Among the top 20 short seats, 10 increased their short positions. Four seats increased by more than 1,000 lots, and five seats increased between 100 and 1,000 lots [4] Position Reversal Operations - Three seats carried out long-to-short operations, indicating that they believe the power for the plastic to stabilize and rebound in the future is insufficient. Six seats carried out short-to-long operations, indicating that they believe the plastic is expected to stabilize and strengthen after a short adjustment [6][7]