市场交投持续活跃，关注证券ETF（512880）

Group 1 - The core viewpoint of the article highlights the positive performance of the securities ETF (512880), which rose by 5% on September 29, indicating a favorable market environment as the fourth quarter approaches [1] - Market trading activity remains high, with A-share trading volume in September reaching 2.44 trillion RMB, a year-on-year increase of 206% and a month-on-month increase of 6% [1] - The average daily trading volume for A-shares in Q3 is reported at 2.11 trillion RMB, reflecting a year-on-year increase of 211% and a month-on-month increase of 67% [1] Group 2 - The securities sector has underperformed major indices since September, leading to a valuation decline that may provide opportunities for rebound and allocation [1] - Institutional funds are currently under-allocated in the securities sector, suggesting a potential demand for reallocation in Q4, which could drive continued upward momentum for brokerage stocks [1] - Positive policy direction, including more aggressive fiscal policies and moderately loose monetary policies, is expected to boost market sentiment and enhance the attractiveness of the capital market [1]