A股融资保证金比例时隔十年再提高，新开合约最高1倍杠杆

Core Viewpoint - The adjustment of the financing margin ratio by the Shanghai and Shenzhen Stock Exchanges aims to increase the minimum margin requirement for new financing contracts from 80% to 100%, reflecting a regulatory response to recent market conditions and promoting long-term market stability [1] Group 1: Regulatory Changes - On January 14, the Shanghai and Shenzhen Stock Exchanges announced an increase in the minimum financing margin ratio for investors from 80% to 100% for new financing contracts [1] - The financing margin ratio has undergone several changes since its introduction, with the initial requirement set at 50% in 2006, raised to 100% in 2015, and then lowered back to 80% in August 2023 [1] Group 2: Market Conditions - The exchanges cited increased activity in financing transactions and relatively ample market liquidity as reasons for the adjustment [1] - The adjustment is part of a statutory counter-cyclical regulation strategy aimed at appropriately reducing leverage levels to protect investors' legal rights [1]