流动性、交易拥挤度、投资者温度计周报：自媒体A股搜索热度创今年以来新高-20260331

Group 1: Liquidity and Capital Flow - The supply side of equity public offerings remains at a historically high level, with new fund issuance at 110 billion yuan, maintaining an 81% percentile over the past three years[6] - Margin financing net inflow decreased to -247.2 billion yuan, placing it in the 7% percentile over the past three years[11] - Southbound capital net inflow increased to 223.2 billion yuan, reaching the 72% percentile historically[38] Group 2: Trading Activity and Market Sentiment - Trading heat in the light industry sector rose by 13 percentage points to 38%, while the construction materials sector fell by 16 percentage points to 53%[44] - The search interest for A-shares on social media reached a new high for the year, driven by a 3.6% drop in the Shanghai Composite Index on March 23[2] - Retail investor net inflow decreased to 1200.5 billion yuan, down 610.2 billion yuan from the previous value, representing the 67.8% percentile over the past five years[2] Group 3: Stock Buybacks and Financing - The total amount of stock buybacks last week was 20.9 billion yuan, up from 9.8 billion yuan, placing it in the 59% percentile historically[23] - Equity financing amounted to 121.3 billion yuan, with IPOs contributing 45.8 billion yuan and refinancing 75.5 billion yuan, at the 58% percentile historically[26] Group 4: Investor Behavior - The number of individual investors participating in margin trading reached 8.071 million, with daily active participants decreasing by 45,000 from the previous value[14] - The overall margin trading turnover rate last week was 36.2%, down from 38.7%, placing it in the 68% percentile historically[14]