HKEX(HK:00388) 券商中国·2025-09-02 04:07Core Viewpoint - Hong Kong Stock Exchange (HKEX) announced an optimization of its securities and derivatives clearing house margin collateral arrangements to enhance market efficiency and reduce costs for market participants [1] Group 1: New Margin Collateral Arrangements - The new arrangement includes a calculation method for cash collateral interest payments based on the overnight reference rate minus fees, applicable to all accepted currencies including RMB, HKD, and USD [2][3] - Cash collateral fees will be reduced from 0.8% to 0.5% over three years, with a 10 basis points reduction each year starting from October 2025 [4] - Non-cash collateral financing fees will be lowered from 0.5% to 0.25% [5] Group 2: Efficiency and Cost Reduction - HKEX previously introduced measures to increase stock options and index derivatives position limits, enhancing the capital efficiency of settled positions [6] - The Chief Operating Officer of HKEX emphasized the commitment to enhancing the vitality, resilience, and competitiveness of the Hong Kong market through these new arrangements [6]