18日沪深300指数期货上涨0.20%，最新持仓变化

Summary of Key Points Core Viewpoint - The trading data for the CSI 300 index futures as of June 18 shows a slight increase in the main contract price, with a net short position among the top 20 holders, indicating a bearish sentiment in the market [1]. Trading Volume and Positions - The main contract for the CSI 300 index futures closed at 2509, with a change of +0.20% and a trading volume of 30,000 contracts. The total trading volume for all contracts reached 105,700 contracts, an increase of 10,000 contracts from the previous day [1]. - The top 20 positions show a total long position of 175,800 contracts, an increase of 1,234 contracts, while the total short position is 198,000 contracts, an increase of 357 contracts [1]. Major Players - The top three long positions are held by Guotai Junan with a total holding of 40,023 contracts, CITIC Futures with 27,029 contracts, and Haitong Futures with 16,075 contracts. The top three short positions are held by CITIC Futures with 43,359 contracts, Guotai Junan with 26,465 contracts, and Haitong Futures with 16,304 contracts [1][4]. - Among the top 20 positions, the largest increase in long positions was seen in CITIC Futures (+851 contracts), Guotai Junan (+622 contracts), and Haitong Futures (+594 contracts). The largest decrease in long positions was in CITIC Jiantou (-213 contracts), Nanhua Futures (-106 contracts), and Donghai Futures (-39 contracts) [1][4]. Changes in Positions - The largest increase in short positions was recorded by Guotai Futures (+1,824 contracts), Yong'an Futures (+608 contracts), and Huatai Futures (+520 contracts). The only decrease in short positions was by Guoxin Futures (-199 contracts) [1][4].