Report Industry Investment Rating - No relevant content found Core Viewpoints - This week, the A - share market rose first and then fell, with daily trading volume approaching 2 trillion at one point. Small - and medium - cap stocks outperformed large - cap stocks. The implied volatility of index options declined, and investors are advised to focus on the strength - weakness arbitrage opportunities among varieties and sell wide - straddles to short volatility [2] Summary by Directory 1. CSI 300 Index Options (IO) - The CSI 300 index's weekly line encountered resistance at the 250 - week moving average, with the Wednesday color K - line indicator remaining red; the daily line had two consecutive negative candles, and the daily three - color K - line indicator turned green [11][14] - The current - month contract of IF futures was at a larger discount to the underlying, and the discount of the next - month contract to the current - month contract also widened [22][25] - The trading volume of IO options increased, and the open interest rebounded. Both the options trading volume PCR and the options open interest PCR decreased, and the implied volatility declined. The underlying index fell below the strike - price range of the maximum open interest of call and put options [30][33][36] - The CSI 300 stock index futures' trading volume shrank, and the open interest decreased [27] - The 2508 contract of CSI 300 index options had the maximum open - interest strike prices of 4100 for call options and 4150 for put options, with the option pain point at 4100 [16] 2. CSI 1000 Index Options (MO) - The weekly line of the CSI 1000 index closed negative, with the Wednesday color K - line indicator remaining red; the daily line fell below the 10 - day moving average, and the daily three - color K - line indicator turned gray [40][43] - The current - month contract of IM futures was at a larger discount to the underlying, and the discount of the next - month contract to the current - month contract also widened [50][53] - The trading volume of MO options increased, and the open interest rebounded. Both the options trading volume PCR and the options open interest PCR decreased, and the implied volatility declined. The maximum open - interest strike prices of call and put options both moved down [59][62][65] - The trading volume of CSI 1000 stock index futures increased, and the open interest increased [56] - The 2508 contract of CSI 1000 index options had the maximum open - interest strike prices of 6700 for call options and 6400 for put options, with the option pain point at 6600 [45] 3. SSE 50 Index Options (HO) - The weekly line of the SSE 50 index encountered resistance at the 250 - week moving average, with the Wednesday color K - line indicator remaining red; the daily line fell below the 20 - day moving average, and the daily three - color K - line indicator turned green [69][72] - The current - month contract of IH futures changed to a discount to the underlying, while the next - month contract remained at a premium to the current - month contract [80][82] - The trading volume of HO options increased, and the open interest rebounded. The options trading volume PCR and the options open interest PCR first increased and then decreased, and the implied volatility declined. The maximum open - interest strike prices of call and put options both moved down [87][89][91] - The trading volume of SSE 50 stock index futures increased, but the open interest decreased [85] - The 2508 contract of SSE 50 index options had the maximum open - interest strike prices of 2800 for call options and 2700 for put options, with the option pain point at 2750 [74]
股指期权周报：A股冲高回落，隐含波动率下降-20250804
Zhong Yuan Qi Huo·2025-08-04 10:41