As of December 31, the SSE's margin balance was 1,268.796 billion yuan, a decrease of 9.489 billion yuan from the previous trading day. The SZSE's margin balance was 1,247.392 billion yuan, a decrease of 4.856 billion yuan from the previous trading day. The total for both exchanges was 2,516.188 billion yuan, a decrease of 14.345 billion yuan from the previous trading day.