沪深北交易所：融资保证金比例从80%提高至100%

Group 1 - The core viewpoint of the article is the adjustment of the financing margin ratio by the Shanghai and Shenzhen Stock Exchanges, increasing the minimum margin requirement from 80% to 100% for new financing contracts, aimed at reducing leverage and protecting investors' rights [2] - In August 2023, the financing margin ratio was lowered from 100% to 80%, which led to a steady increase in financing scale and trading volume, indicating a more active financing market [2] - The recent increase in the financing margin ratio is part of a regulatory measure to ensure market stability and healthy long-term development, as market liquidity has been relatively abundant [2]