中证油气产业指数上涨0.44%,前十大权重包含荣盛石化等

Core Points - The China Oil and Gas Industry Index (H30198) rose by 0.44% to 1694.78 points, with a trading volume of 13.043 billion yuan on April 21 [1] - Over the past month, the index has decreased by 6.17%, by 8.23% over the last three months, and by 8.83% year-to-date [2] Index Composition - The index includes companies involved in oil and gas exploration, equipment manufacturing, transportation, sales, refining, and primary petrochemical production [2] - The top ten weighted companies in the index are: China National Petroleum (10.52%), China National Offshore Oil (10.22%), Sinopec (9.83%), Guanghui Energy (4.92%), China Merchants Energy (3.71%), Jereh Group (3.54%), Hengli Petrochemical (3.22%), Satellite Chemical (2.77%), COSCO Shipping Energy (2.70%), and Rongsheng Petrochemical (2.62%) [2] - The index is primarily composed of companies listed on the Shanghai Stock Exchange (71.98%) and the Shenzhen Stock Exchange (28.02%) [2] Sector Allocation - The sector allocation of the index shows that energy accounts for 62.31%, materials for 20.07%, industrials for 14.68%, finance for 1.81%, and utilities for 1.13% [2] Index Adjustment - The index samples are adjusted semi-annually, with adjustments occurring on the next trading day after the second Friday of June and December [3] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [3] - Public funds tracking the oil and gas industry include Guotai China Oil and Gas Industry Link A, Guotai China Oil and Gas Industry Link C, and Guotai China Oil and Gas Industry ETF [3]