Group 1 - Hong Kong Stock Exchange (HKEX) announced optimization of collateral arrangements for its securities and derivatives clearing houses to enhance market efficiency and reduce costs for participants [1] - The interest calculation method for cash collateral will be adjusted to align with international market standards, calculated daily as the overnight reference rate minus a fee [1] - The financing cost for non-cash collateral will be reduced from 0.5% per annum to 0.25% [1] Group 2 - The new interest payment and fee policies will be uniformly adopted by the Central Clearing and Settlement System, Hong Kong Futures Clearing Company, and Hong Kong Options Clearing Company [1] - The fee for the period from October 2025 to December 2026 will be set at 0.8%, decreasing by 10 basis points annually until it reaches 0.5% by the end of 2028 [1] - HKEX aims to enhance the efficiency of collateral usage, facilitating market participants in executing various trading strategies and managing investment risks [2]

Core Viewpoint - Hong Kong Stock Exchange is enhancing its collateral arrangements for securities and derivatives clearinghouses to improve market efficiency and reduce costs for participants [1] Group 1: Changes in Collateral Arrangements - The exchange will adjust the interest calculation method for cash collateral, aligning it with international market standards and calculating it daily based on the overnight reference rate minus fees [1] - The new fee structure for cash collateral will set the fee at 0.8% from October 2025 to December 2026, decreasing by 10 basis points annually until it reaches 0.5% by the end of 2028 [1] - The financing cost for non-cash collateral will be reduced from 0.5% per year to 0.25% [1]