China CSRC raises margin requirement to 100% from 80% after January 15 meeting

On January 15, the China Securities Regulatory Commission outlined steps to curb speculation and, last week, lifted margin funding requirements on all mainland exchanges to 100% from 80%, with the change effective on Monday. The adjustment covers only new contracts and follows early‑2026 gains led by AI and space themes, with mainland tech shares trading about 40% above Nasdaq 100 peers.