Core Viewpoint - The Shanghai Composite Index opened lower but rose later, while the CSI 300 Energy Index fell by 0.82% to 2106.64 points, with a trading volume of 4.239 billion yuan. The CSI 300 Energy Index has decreased by 0.31% over the past month, 5.24% over the past three months, and 13.23% year-to-date [1]. Group 1: Index Performance - The CSI 300 Energy Index has shown a decline of 0.31% in the last month, 5.24% in the last three months, and 13.23% year-to-date [1]. - The top ten holdings in the CSI 300 Energy Index include China Shenhua (25.01%), China Petroleum (17.54%), and China Petrochemical (16.09%) [1]. Group 2: Market Composition - The CSI 300 Energy Index is composed of 96.30% from the Shanghai Stock Exchange and 3.70% from the Shenzhen Stock Exchange [2]. - The industry composition of the CSI 300 Energy Index includes coal (50.97%), integrated oil and gas companies (33.62%), and fuel refining (10.16%) [2]. Group 3: Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]. - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples [2].

Group 1 - The China Securities Index for the Hong Kong-Shanghai-Shenzhen 500 Energy Index closed at 2024.62 points, with a decline of 3.20% over the past month, 8.92% over the past three months, and 12.35% year-to-date [1] - The index is composed of 11 industry categories, reflecting the overall performance of different industry securities within the index series [1] - The top ten weighted stocks in the index include China National Offshore Oil Corporation (15.64%), China Shenhua Energy (12.01%), and China Petroleum & Chemical Corporation (8.40%) [1] Group 2 - The industry composition of the index shows that coal accounts for 37.51%, integrated oil and gas companies for 34.93%, and fuel refining for 20.53% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Special circumstances may lead to temporary adjustments to the index samples, such as delisting or corporate actions like mergers and acquisitions [2]

从中证沪港深500能源指数持仓的市场板块来看，上海证券交易所占比49.67%、香港证券交易所占比 48.52%、深圳证券交易所占比1.81%。 从中证沪港深500能源指数持仓样本的行业来看，煤炭占比35.97%、综合性石油与天然气企业占比 35.45%、燃油炼制占比21.43%、焦炭占比3.10%、油气流通及其他占比2.56%、油田服务占比1.48%。 金融界3月31日消息，上证指数下跌0.46%，中证沪港深500能源指数 (沪港深500能源，H30458)报 2107.05点。 数据统计显示，中证沪港深500能源指数近一个月上涨2.88%，近三个月下跌7.24%，年至今下跌 8.78%。 据了解，中证沪港深行业指数系列将中证沪港深 500、中证沪港深互联互通中小综合以及中证沪港深互 联互通综合指数样本按行业分类标准分别分为 11 个行业，再以各行业全部证券作为样本编制指数，以 反映中证沪港深指数系列中不同行业公司证券的整体表现。该指数以2004年12月31日为基日，以1000.0 点为基点。 从指数持仓来看，中证沪港深500能源指数十大权重分别为：中国海洋石油（16.54%）、中国神华 （11.31%）、中 ...

Core Points - The China Securities Index for Global Energy Composite Index (CN Energy Composite, H30375) reported a value of 1869.25 points, showing a monthly increase of 3.97%, a quarterly decrease of 4.40%, and a year-to-date decline of 5.84% [1][2] Group 1: Index Performance - The CN Energy Composite Index has shown a monthly increase of 3.97% [1] - The index has decreased by 4.40% over the last three months [1] - Year-to-date, the index has declined by 5.84% [1] Group 2: Index Composition - The top ten holdings in the CN Energy Composite Index include China National Offshore Oil (18.87%), China Shenhua (7.61%), and China Petroleum & Chemical Corporation (5.68%) [1] - The index is primarily composed of stocks from the Shanghai Stock Exchange (48.11%) and Hong Kong Stock Exchange (42.95%) [2] - The sector breakdown shows coal at 31.52%, fuel refining at 25.20%, and integrated oil and gas companies at 23.70% [2] Group 3: Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Temporary adjustments may occur under special circumstances, such as significant events affecting a sample company's industry classification [2] - Companies that are delisted or undergo mergers, acquisitions, or other significant changes will be handled according to specific calculation and maintenance guidelines [2]