市场情绪回暖，股指震荡上涨

1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoints of the Report - On October 24, 2025, all stock indices fluctuated and rose. The total trading volume of the Shanghai, Shenzhen, and Beijing stock markets was 1991.6 billion yuan, an increase of 330.9 billion yuan from the previous day [3]. - The communiqué of the Fourth Plenary Session of the 20th CPC Central Committee announced that the main goals during the 15th Five - Year Plan period include significant achievements in high - quality development and a substantial increase in the level of scientific and technological self - reliance. The proportion of the science and technology innovation industry in China's future economy will increase, and corresponding policy support will be introduced. Against the backdrop of positive policy expectations, technology - related stocks rose significantly [3]. - The easing of external uncertainty risk factors brought about by China - US economic and trade consultations led to a recovery in investors' risk appetite, causing the stock indices to rebound from the bottom. However, the marginal increase in positive policy expectations will slow down with the release of the draft suggestions for the 15th Five - Year Plan. In the future, it is necessary to evaluate the game between the fermentation rhythm of positive policy expectations and the profit - taking rhythm of funds. In general, the stock indices are expected to fluctuate widely in the short term [3]. - Currently, the implied volatility of options remains relatively stable. Considering the long - term upward trend of stock indices, investors can continue to hold bull spreads or covered calls [3]. 3. Summary by Relevant Catalogs 3.1 Option Indicators - ETF and Index Performance: On October 24, 2025, the 50ETF rose 0.79% to close at 3.192; the 300ETF (Shanghai Stock Exchange) rose 1.21% to close at 4.770; the 300ETF (Shenzhen Stock Exchange) rose 1.26% to close at 4.916; the CSI 300 Index rose 1.18% to close at 4660.68; the CSI 1000 Index rose 1.52% to close at 7419.24; the 500ETF (Shanghai Stock Exchange) rose 1.66% to close at 7.369; the 500ETF (Shenzhen Stock Exchange) rose 1.62% to close at 2.940; the GEM ETF rose 3.59% to close at 3.147; the Shenzhen 100ETF rose 2.03% to close at 3.569; the SSE 50 Index rose 0.62% to close at 3045.82; the Science and Technology Innovation 50ETF rose 4.21% to close at 1.54; the E Fund Science and Technology Innovation 50ETF rose 4.42% to close at 1.49 [5]. - Volume PCR and Position PCR: The report provides the volume PCR and position PCR data of various options on October 24, 2025, and their changes compared with the previous trading day, including 50ETF options, 300ETF options (Shanghai and Shenzhen Stock Exchanges), CSI 300 index options, CSI 1000 index options, 500ETF options (Shanghai and Shenzhen Stock Exchanges), GEM ETF options, Shenzhen 100ETF options, SSE 50 index options, Science and Technology Innovation 50ETF options, and E Fund Science and Technology Innovation 50ETF options [6]. - Implied Volatility and Historical Volatility: The report presents the implied volatility of the at - the - money options in November 2025 and the 30 - trading - day historical volatility of the underlying assets for various options, such as 50ETF options, 300ETF options (Shanghai and Shenzhen Stock Exchanges), CSI 300 index options, CSI 1000 index options, 500ETF options (Shanghai and Shenzhen Stock Exchanges), GEM ETF options, Shenzhen 100ETF options, SSE 50 index options, Science and Technology Innovation 50ETF options, and E Fund Science and Technology Innovation 50ETF options [7][8]. 3.2 Relevant Charts - The report includes a series of charts for different types of options, such as the trend charts, volatility charts, volume PCR charts, implied volatility curve charts, and at - the - money implied volatility charts of different terms for 50ETF options, 300ETF options (Shanghai and Shenzhen Stock Exchanges), CSI 300 index options, CSI 1000 index options, 500ETF options (Shanghai and Shenzhen Stock Exchanges), GEM ETF options, Shenzhen 100ETF options, SSE 50 index options, Science and Technology Innovation 50ETF options, and E Fund Science and Technology Innovation 50ETF options [9][20][33][47][59][73][86][99][112][125][138][150].