股指周报：外部扰动加剧，股指保持韧性-20260202

1. Report Industry Investment Rating - Not provided in the content 2. Core Views of the Report - Despite intensified external disturbances, A-shares maintain strong resilience due to sufficient domestic liquidity and positive market sentiment. Short - term index fluctuations are expected to be limited, and long - term investors can gradually build long positions [3]. 3. Summary by Relevant Catalogs 3.1 Main Views and Strategy Overview - Influence Factors and Driving Forces - Economic and corporate profit factors are neutral to bearish. In January, the manufacturing PMI dropped to 49.3% from 50.1% due to statistical factors and early Spring Festival returns. The non - manufacturing PMI also declined to 49.4% from 50.2%. The production and new order indices decreased by 1.1 and 1.6 percentage points respectively [3]. - Policy factors are neutral. The selling pace of broad - based ETFs has slowed recently. From January 15th, institutions concentrated on reducing broad - based index ETFs, with a cumulative scale of over 700 billion yuan by January 27th. However, the reduction speed decreased significantly on January 28th and 29th [3]. - Overseas factors are bearish. Trump's nomination of Warsh, a well - known hawk, as the new Fed Chairman has raised concerns about tighter overseas liquidity. On Friday, the US dollar rebounded sharply, and gold and silver prices tumbled [3]. - Liquidity factors are neutral to bullish. As of January 29th, the margin trading balance in A - shares was 2730.42 billion yuan, an increase of 15.94 billion yuan from the previous week. The average daily trading volume last week increased by 264.3 billion yuan compared to the previous week [3]. - Investment View and Trading Strategy - The investment view is to go long opportunistically. Although external disturbances have intensified, the index is likely to remain resilient in the short - term. Long - term investors can gradually build long positions [3]. - The trading strategy is to go long opportunistically, with attention to overseas geopolitical risks [3]. 3.2 Stock Index Market Review - Index and Futures Weekly Returns - Last week, the CSI 300 rose 0.08% to 4706.3, the SSE 50 rose 1.13% to 3066.5, the CSI 500 fell 2.56% to 8370.5, and the CSI 1000 fell 2.55% to 8254.9 [5]. - For futures contracts, the IF main contract was flat, the IH main contract rose 3.60%, the IC main contract rose 8.49%, and the IM main contract rose 7.66% [6]. - Industry Index Market Review - Among the Shenwan primary industry indices, the top - performing sectors last week were communication (5.8%), non - ferrous metals (3.4%), agriculture, forestry, animal husbandry and fishery (1.8%), food and beverage (1.6%), and non - bank finance (1%). The underperforming sectors were national defense and military industry (-7.7%), power equipment (-5.1%), automobile (-5.1%), computer (-4.8%), and comprehensive (-4.7%) [10]. - Stock Index Futures Volume and Open Interest Tracking - For the CSI 300 futures, the trading volume was 814,420 lots, a 30.21% increase, and the open interest was 332,644 lots, a 10.98% increase [12]. - For the SSE 50 futures, the trading volume was 378,798 lots, a 43.27% increase, and the open interest was 122,366 lots, a 12.50% increase [12]. - For the CSI 500 futures, the trading volume was 1,061,171 lots, a 22.45% increase, and the open interest was 349,459 lots, a 2.41% increase [12]. - For the CSI 1000 futures, the trading volume was 1,257,463 lots, a 18.37% increase, and the open interest was 408,840 lots, a 3.24% increase [12]. - Contract Premium and Discount - As of January 30th, the current - month contract IF2602 had an annualized premium of 1.35%; IH2602 had an annualized premium of 0.97%; IC2602 had an annualized premium of 1.39%; IM2602 had an annualized premium of 5.8% [17]. - The next - month contract IF2603 had an annualized premium of 0.74%; IH2603 had an annualized premium of 1.82%; IC2603 had an annualized discount of 0.72%; IM2603 had an annualized premium of 0.52% [17]. - The current - quarter contract IF2606 had an annualized discount of 0.36%; IH2606 had an annualized premium of 1.15%; IC2606 had an annualized discount of 2.2%; IM2606 had an annualized discount of 3.51% [17]. - The next - quarter contract IF2609 had an annualized discount of 1.72%; IH2609 had an annualized discount of 0.69%; IC2609 had an annualized discount of 3.03%; IM2609 had an annualized discount of 4.94% [17]. - Cross - Variety Spread Performance - The spread of CSI 300 - SSE 50 was 1639.8, at the 95.3% historical quantile level; the spread of CSI 1000 - CSI 500 was - 115.7, at the 16.5% historical quantile level [21]. - The ratio of CSI 300/CSI 1000 was 0.6, at the 22.5% historical quantile level; the ratio of SSE 50/CSI 1000 was 0.6, at the 20% historical quantile level [21]. 3.3 Stock Index Influence Factors - Liquidity - Funding and Macro - Liquidity - This week, the central bank conducted 1761.5 billion yuan in reverse repurchase operations in the open market, with 1181 billion yuan in reverse repurchases maturing, resulting in a net injection of 580.5 billion yuan. There was also 200 billion yuan in MLF maturing, and 150 billion yuan in treasury cash fixed - deposit operations were carried out [27]. - Next week, 1761.5 billion yuan in reverse repurchases will mature, and 70 billion yuan in 91 - day repurchase - style reverse repurchases will mature on Wednesday [27]. - Market Volume and Margin Trading Balance - As of January 29th, the margin trading balance in A - shares was 2730.42 billion yuan, an increase of 15.94 billion yuan from the previous week [33]. - As of January 29th, the proportion of margin trading purchases in the total market turnover was 9.6%, at the 77% quantile level in the past decade [33]. - The daily trading volumes of A - shares last week were 3280.6 billion yuan, 2921.5 billion yuan, 2992.3 billion yuan, 3259.4 billion yuan, and 2862.4 billion yuan respectively, with the average daily trading volume increasing by 264.3 billion yuan compared to the previous week [33]. - As of January 30th, the risk premium rate of the CSI 300 was 5.24, at the 49.1% quantile level in the past decade [33]. 3.4 Stock Index Influence Factors - Economic Fundamentals and Corporate Earnings - China's Macro - Indicators - In December 2025, GDP at constant prices was 4.5%, industrial added value increased by 5.2% year - on - year, fixed - asset investment decreased by 3.8% year - on - year, and real estate investment decreased by 17.2% year - on - year [36]. - The manufacturing PMI in January 2026 was 49.3%, a decrease of 0.8 percentage points from December 2025. The non - manufacturing PMI was 49.4%, a decrease of 0.8 percentage points [45]. - Corporate Earnings - For major broad - based indices, the year - on - year growth rates of net profit attributable to shareholders of the parent company and the return on net assets (TTM) showed different trends in different periods. For example, the CSI 300 had a year - on - year growth rate of net profit attributable to shareholders of the parent company of 5.22% in Q3 2025, and a return on net assets (TTM) of 9.93% [50]. - For Shenwan primary industry indices, the profitability and return on net assets (TTM) also varied. For instance, the non - bank finance industry had a year - on - year growth rate of net profit attributable to shareholders of the parent company of 38.65% in Q3 2025, and a return on net assets (TTM) of 12.94% [51]. 3.5 Stock Index Influence Factors - Policy Drivers - Recent Macro - Policy Trends - The government has proposed to implement more proactive fiscal policies and moderately loose monetary policies in 2026, focusing on expanding domestic demand, promoting innovation, and stabilizing the real estate market [55]. - Policies such as optimizing housing purchase restrictions, increasing consumer subsidies, and supporting equipment updates have been introduced to boost the economy [55][57]. 3.6 Stock Index Influence Factors - Overseas Factors - US Economic Indicators - In December 2025, the US manufacturing PMI was 47.9%, a decrease of 0.3 percentage points from the previous value, and the non - manufacturing PMI was 54.4%, an increase of 1.8 percentage points [68]. - The University of Michigan Consumer Confidence Index in January 2026 was 56.4, an increase of 3.5 from the previous value [68]. - The seasonally - adjusted unemployment rate in December 2025 was 4.4%, and the number of new non - farm payrolls (seasonally - adjusted) was 50,000 [68]. - Trump Team's Actions - Trump has proposed a series of tariff policies, including increasing tariffs on imports from China, Canada, and Mexico, which have led to trade frictions and counter - measures [74][76]. 3.7 Stock Index Influence Factors - Valuation - Index Valuation Levels - As of January 23, 2026, the rolling price - to - earnings ratios of the CSI 300, SSE 50, CSI 500, and CSI 1000 were 14.1 times, 11.5 times, 38.9 times, and 51.5 times respectively, at the 79%, 78.4%, 79.8%, and 76.1% quantile levels since October 2014 [83]. - Sector Profitability and Valuation Levels - Different sectors have different price - to - earnings ratios, price - to - book ratios, and their historical quantile levels. For example, the bank sector had a price - to - earnings ratio of 6.3, at the 44% historical quantile level in the past decade, and a price - to - book ratio of 0.5, at the 26% historical quantile level [88].