13日中证1000指数期货下跌1.11%，最新持仓变化

Core Insights - The main contract for the CSI 1000 Index futures closed at 2506, with a decrease of 1.11% and a trading volume of 119,900 contracts as of June 13 [1][2] - The total trading volume for all contracts reached 198,000 contracts, an increase of 39,000 contracts from the previous day [1][3] - The top 20 positions showed a net short position with a difference of 6,941 contracts [1] Group 1: Trading Volume and Positions - The total trading volume for all contracts was 198,000 contracts, with an increase of 39,000 contracts from the previous day [1][4] - The top 20 long positions totaled 237,900 contracts, an increase of 10,200 contracts from the previous day [1][4] - The top 20 short positions totaled 267,800 contracts, an increase of 9,691 contracts from the previous day [1][4] Group 2: Major Players - The top three long positions were held by Guotai Junan with a total holding of 44,416 contracts, CITIC Futures with 41,811 contracts, and Haitong Futures with 17,614 contracts [1][4] - The top three short positions were held by CITIC Futures with 60,230 contracts, Guotai Junan with 45,082 contracts, and Haitong Futures with 22,100 contracts [1][4] - The largest increase in long positions among the top 20 was by Guotai Junan, which added 1,506 contracts, followed by CITIC Futures with an increase of 1,238 contracts [1][4]