Sou Hu Cai Jing·2026-01-19 00:55Core Viewpoint - The A-share market has experienced a significant cooling after a month of rapid growth, influenced by regulatory measures aimed at enhancing market stability and preventing excessive speculation [1] Regulatory Measures - The China Securities Regulatory Commission (CSRC) emphasized the need for comprehensive market monitoring and timely counter-cyclical adjustments to maintain market stability [1] - The CSRC plans to strengthen trading and information disclosure regulations, focusing on preventing market manipulation and excessive speculation [3] Margin Requirement Adjustments - The minimum margin requirement for financing purchases has been raised from 80% to 100% for new financing contracts, marking the first increase in 10 years as the market approaches a critical index level [2] - This adjustment is part of a broader strategy to implement counter-cyclical regulation in the financing and securities market [2] Increased Regulatory Actions - The Shanghai Stock Exchange (SSE) reported taking self-regulatory measures against 365 instances of abnormal trading behavior in a single week, indicating a significant increase in regulatory scrutiny [4] - The Shenzhen Stock Exchange (SZSE) also intensified its regulatory actions, addressing 387 cases of abnormal trading behavior during the same period [5] Historical Context - The increase in regulatory measures follows a period of rapid market growth that began in mid-December 2025, with a notable rise in the number of abnormal trading cases being addressed by both exchanges [5]