金融期权（周报）：隐波下降，市场窄幅震荡-20250603

1. Report Summary 1.1 Financial Option Trading Volumes and Positions - This week, the average daily trading volume of 50ETF options was 966,000 contracts, a -2.11% decrease from the previous week. The put - call trading ratio was 1.15, higher than the historical average, and the put - call position ratio last week was 0.98, also above the historical average [2]. - Huatai - Berry 300ETF options had an average daily trading volume of 718,900 contracts and an average daily position of 1,192,100 contracts; Southern China CSI 500ETF options had an average daily trading volume of 1,066,700 contracts and an average daily position of 1,266,600 contracts; Huaxia Shanghai Science and Technology Innovation 50ETF options had an average daily trading volume of 470,300 contracts and an average daily position of 1,557,500 contracts; Shenzhen 100ETF options had an average daily trading volume of 49,800 contracts and an average daily position of 102,800 contracts; ChiNext ETF options had an average daily trading volume of 892,400 contracts and an average daily position of 1,317,300 contracts; CSI 300 index options had an average daily trading volume of 48,800 lots and an average daily position of 162,800 lots; CSI 1000 index options had an average daily trading volume of 139,300 lots and an average daily position of 246,000 lots [2]. 1.2 Volatility - As of the close on Friday, the implied volatility of CSI 300 index options was 13.26%, a 0.25% decrease from a week ago; the implied volatility of 50ETF options was 12.79%, a 1.13% decrease from a week ago; the implied volatility of CSI 1000 index options was 18.90%, a 2.71% decrease from a week ago. The South China 50ETF option volatility index was 14.66, the South China CSI 300 option volatility index was 15.74, and the South China CSI 1000 option volatility index was 21.32 [3].