策略深度报告：论公募新规的短中长期影响-短期交易博弈和中长期生态构筑

Investment Rating - The report indicates a shift in the public fund industry from "scale" to "return" focus, suggesting a positive outlook for the industry in the medium to long term [1][11]. Core Insights - The recent regulatory changes are expected to lead to a reallocation of public fund investments towards underweighted sectors, particularly in the financial and consumer goods industries, which may enhance overall market performance [4][44]. - The report highlights that the public fund industry is likely to evolve towards a model that closely tracks benchmark indices, with a significant portion of assets allocated to large-cap stocks [3][17]. - The anticipated increase in passive investment strategies is expected to drive up the valuation of benchmark indices like the CSI 300, with a projected increase of 6.8% [4][43]. Summary by Sections Short-term Market Dynamics - Market volatility is attributed to speculative trading based on expectations of increased public fund allocations, particularly in the financial sector [2][16]. - The report notes that the adjustment of fund portfolios will likely be gradual rather than abrupt, as detailed guidelines on performance benchmarks are still pending [2][16]. Medium to Long-term Changes in Fund Behavior - From a product perspective, actively managed equity funds are expected to transition towards a "quasi-index" model, with 60%-80% of assets closely tracking benchmark indices [3][17]. - Larger funds are more inclined to adopt conservative strategies that align closely with benchmarks to ensure stable returns, reflecting the need to meet investor expectations [3][25]. Impact of Regulatory Changes on Market Ecology - The report draws parallels between the current public fund adjustments and the influx of foreign capital in 2016-2017, noting a similar "signaling effect" but emphasizing the current lack of strong fundamental support for the affected sectors [4][26]. - The anticipated shift towards benchmark alignment is expected to elevate the valuation premiums of major indices, particularly the CSI 300 and the CSI 800, as more funds adopt passive investment strategies [4][32]. - Specific sectors such as financial services and consumer goods are identified as likely beneficiaries of increased public fund allocations due to their current underweight positions in fund portfolios [5][44].