Xin Lang Qi Huo·2025-07-21 08:44Group 1 - The core viewpoint of the article highlights the trading performance of glass futures, with the main contract 2509 experiencing a price increase of 7.12% as of July 21, 2025, and a total trading volume of 4.83 million contracts [1][3] - The total trading volume for all glass futures contracts reached 4.83 million contracts, with an increase of 1.99 million contracts compared to the previous day [1][4] - The top 20 positions in the glass futures market show a net short position, with a difference of 199,388 contracts [1][3] Group 2 - The top three long positions are held by Guotai Junan with a total holding of 92,492 contracts, followed by Fangzheng Futures with 71,301 contracts, and CITIC Futures with 64,371 contracts [1][4] - The top three short positions are also led by Guotai Junan with 210,469 contracts, followed by Yong'an Futures with 115,224 contracts, and CITIC Futures with 113,332 contracts [1][4] - The long positions in the top 20 show a decrease of 74,200 contracts, while the short positions decreased by 14,270 contracts compared to the previous day [1][3]