行业ETF净流入创近三年新高：流动性&交易拥挤度&投资者温度计周报-20251020

Group 1: Liquidity and Fund Flow - The net inflow of industry ETFs reached 17.04 billion, marking a three-year high[8] - Southbound funds have accumulated a net inflow of over 560 billion in the past five months[2] - The net inflow of leveraged funds turned negative, with a net outflow of 14 billion last week[14] Group 2: Market Trends and Investor Sentiment - The Shanghai Composite Index opened down 2.5% on October 13 due to escalating US-China trade tensions, leading to a surge in A-share search interest[2] - Retail investor net inflow reached 191.15 billion, an increase of 108.94 billion from the previous value, placing it in the 92.9 percentile over the past five years[2] - The public fund issuance increased significantly, with 5.65 billion shares newly issued last week, compared to 0.85 billion previously[10] Group 3: Trading Activity and Sector Performance - The trading heat for the machinery sector rose by 28 percentage points to 50%, while the healthcare sector dropped by 22 percentage points to 43%[7] - The net inflow in the non-ferrous metals sector was 6.09 billion, while the electronics sector saw a net outflow of 7.19 billion[23] - The overall net inflow of stock ETFs was 26.08 billion, with thematic ETFs contributing 24.55 billion[24]