游资“极速外挂”被没收，多家券商叫停“抢涨停板神器”

Core Viewpoint - Recent restrictions on "exclusive trading units" by brokerage firms aim to enhance fairness in trading and protect small investors, following regulatory guidelines issued in October 2022 [1][2][5] Group 1: Industry Changes - Many brokerages are ceasing to offer "exclusive trading units" to clients, which previously allowed large investors and institutions to gain advantages in trading [1][3] - The move is in response to the implementation of the "Opinions on Strengthening the Protection of Small Investors in the Capital Market," which mandates a fair trading environment for all investors [1][2][5] Group 2: Historical Context - Historically, brokerages marketed exclusive trading units as "tools for seizing涨停板" (limit-up stocks), providing a competitive edge during trading [3] - The threshold for accessing these units was high, often requiring assets of over 5 million yuan and annual fees of around 150,000 yuan [3][4] Group 3: Impact on Trading Strategies - The restriction on exclusive trading units is expected to significantly affect small institutions and large investors, particularly those relying on high-frequency trading strategies [7][9] - The popularity of "板策略" (board strategies) among quantitative private equity has been rising, with a reported average return of 10.2% in the first half of 2025, but the new regulations may limit their effectiveness [8][9] Group 4: Market Reactions - Some industry insiders believe that while the regulations promote fairness, there may still be attempts to circumvent them, such as using larger accounts to manage smaller ones [9]