Group 1: Index Trends - On March 9th, the Shanghai Composite Index fell by 0.67% to close at 4096.6 points, with a trading volume of 1194.106 billion yuan; the Shenzhen Component Index fell by 0.74% to close at 14067.5 points, with a trading volume of 1453.439 billion yuan [1] - The CSI 1000 Index fell by 0.55%, with a trading volume of 568.761 billion yuan, an opening price of 8131.74, a closing price of 8203.87, a daily high of 8230.66, and a daily low of 7983.57 [1] - The CSI 500 Index fell by 0.97%, with a trading volume of 523.829 billion yuan, an opening price of 8234.19, a closing price of 8279.48, a daily high of 8305.92, and a daily low of 8066.14 [1] - The SSE 300 Index fell by 0.97%, with a trading volume of 665.822 billion yuan, an opening price of 4600.25, a closing price of 4615.46, a daily high of 4625.98, and a daily low of 4548.97 [1] - The SSE 50 Index fell by 0.99%, with a trading volume of 171.357 billion yuan, an opening price of 2963.2, a closing price of 2962.99, a daily high of 2970.95, and a daily low of 2933.92 [1] Group 2: Impact of Sector Movements on Indexes - The CSI 1000 Index dropped 44.99 points from the previous closing price. Sectors such as Computer and Power Equipment had a significant upward pull on the index, while Non - ferrous Metals, Machinery, and Electronics had a significant downward pull [3] - The CSI 500 Index dropped 80.85 points from the previous closing price. The Computer sector had a significant upward pull on the index, while National Defense and Military Industry, Machinery, and Electronics had a significant downward pull [3] - The SSE 300 Index dropped 44.98 points from the previous closing price. The Power Equipment sector had a significant upward pull on the index, while Communication, Non - bank Finance, and Electronics had a significant downward pull [3] - The SSE 50 Index dropped 29.71 points from the previous closing price. Sectors such as Coal and Petroleum and Petrochemicals had a significant upward pull on the index, while Non - ferrous Metals, Electronics, and Non - bank Finance had a significant downward pull [3] Group 3: Stock Index Futures Basis and Annualized Opening Costs - For IM contracts, the average daily basis for IM00 was - 51.95, IM01 was - 111.62, IM02 was - 275.35, and IM03 was - 478.48 [13] - For IC contracts, the average daily basis for IC00 was - 47.69, IC01 was - 98.82, IC02 was - 239.23, and IC03 was - 416.06 [13] - For IF contracts, the average daily basis for IF00 was - 23.79, IF01 was - 40.02, IF02 was - 89.96, and IF03 was - 164.85 [13] - For IH contracts, the average daily basis for IH00 was - 5.21, IH01 was - 7.91, IH02 was - 18.42, and IH03 was - 58.3 [13]

1. Index Trends - On August 11th, the Shanghai Composite Index rose 0.34% to close at 3647.55 points with a trading volume of 751.329 billion yuan; the Shenzhen Component Index rose 1.46% to close at 11291.43 points with a trading volume of 1075.644 billion yuan [1]. - The CSI 1000 Index rose 1.55% with a trading volume of 401.163 billion yuan, opening at 6850.57, closing at 6943.94, with a daily high of 6957.4 and a low of 6850.57 [1]. - The CSI 500 Index rose 1.08% with a trading volume of 277.034 billion yuan, opening at 6335.43, closing at 6391.76, with a daily high of 6404.83 and a low of 6335.43 [1]. - The SSE 300 Index rose 0.43% with a trading volume of 360.686 billion yuan, opening at 4110.29, closing at 4122.51, with a daily high of 4134.25 and a low of 4103.6 [1]. - The SSE 50 Index rose 0.03% with a trading volume of 90.334 billion yuan, opening at 2791.35, closing at 2789.9, with a daily high of 2800.89 and a low of 2783.65 [1]. 2. Impact of Sector Movements on Indexes - The CSI 1000 rose 105.81 points from the previous close, with sectors such as power equipment, electronics, and pharmaceutical biology significantly pulling the index up [2]. - The CSI 500 rose 68.26 points from the previous close, with sectors such as electronics, power equipment, and machinery significantly pulling the index up [2]. - The SSE 300 rose 17.54 points from the previous close, with sectors such as food and beverage, electronics, and power equipment significantly pulling the index up, while the banking sector pulled it down [2]. - The SSE 50 rose 0.73 points from the previous close, with sectors such as food and beverage, non - banking finance, and electronics significantly pulling the index up, while sectors such as petroleum and petrochemicals, non - ferrous metals, and banking pulled it down [2]. 3. Stock Index Futures Basis and Annualized Opening Costs - IM00 average daily basis was - 4.24, IM01 was - 75.76, IM02 was - 265.4, and IM03 was - 447.73 [12]. - IC00 average daily basis was - 6.74, IC01 was - 72.91, IC02 was - 228.99, and IC03 was - 368.34 [12]. - IF00 average daily basis was 0.18, IF01 was - 11.76, IF02 was - 41.12, and IF03 was - 73.78 [12]. - IH00 average daily basis was 0.63, IH01 was 1.52, IH02 was 3.18, and IH03 was 2.99 [12]. 4. Stock Index Futures Rollover Point Differences and Annualized Costs - Data for IM rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [24][25]. - Data for IC rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [26]. - Data for IF rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [27]. - Data for IH rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [23].

Index Trends - On July 17th, the Shanghai Composite Index rose 0.37% to close at 3516.83 points with a trading volume of 609.791 billion yuan; the Shenzhen Component Index rose 1.43% to close at 10873.62 points with a trading volume of 929.578 billion yuan [1]. - The CSI 1000 Index rose 1.14% with a trading volume of 325.984 billion yuan, opening at 6458.41, closing at 6535.67, with a high of 6535.67 and a low of 6451.15 [1]. - The CSI 500 Index rose 1.08% with a trading volume of 235.043 billion yuan, opening at 6013.71, closing at 6082.46, with a high of 6082.46 and a low of 6013.04 [1]. - The SSE 300 Index rose 0.68% with a trading volume of 325.517 billion yuan, opening at 4005.07, closing at 4034.49, with a high of 4034.59 and a low of 4005.07 [1]. - The SSE 50 Index rose 0.12% with a trading volume of 74.646 billion yuan, opening at 2737.35, closing at 2744.26, with a high of 2744.74 and a low of 2732.35 [1]. Impact of Sector Movements on Indexes - The CSI 1000 rose 73.61 points from the previous close, with sectors such as Medicine & Biology, Electronics, and Machinery having a significant upward pull on the index [3]. - The CSI 500 rose 65.27 points from the previous close, with sectors such as Electronics, Medicine & Biology, and National Defense & Military Industry having a significant upward pull on the index [3]. - The SSE 300 rose 27.29 points from the previous close, with sectors such as Electronics, Communication, and Medicine & Biology having a significant upward pull on the index [3]. - The SSE 50 rose 3.36 points from the previous close, with sectors such as Food & Beverage, Medicine & Biology, and National Defense & Military Industry having a significant upward pull, while sectors such as Transportation, Communication, and Banking had a downward pull [3]. Futures Basis and Annualized Opening Costs - For IM contracts, IM00 had an average daily basis of -8.13, IM01 -75.98, IM02 -151.1, and IM03 -336.78 [14]. - For IC contracts, IC00 had an average daily basis of -1.49, IC01 -54.76, IC02 -108.14, and IC03 -235.3 [14]. - For IF contracts, IF00 had an average daily basis of -3.57, IF01 -15.25, IF02 -27.9, and IF03 -63.8 [14]. - For IH contracts, IH00 had an average daily basis of -2.73, IH01 -5.16, IH02 -5.96, and IH03 -4.36 [14]. Futures Roll - over Point Differences and Annualized Costs - Data on the roll - over point differences and their annualized costs for IM, IC, IF, and IH contracts at different time points from 09:45 to 15:00 are presented in detailed tables [25][26][27][28].