Refers to the four major futures exchanges: China Financial Futures Exchange (CICC), Shanghai Commodity Futures Exchange (last issue), Dalian Commodity Futures Exchange (Dashang Exchange) and Zhengzhou Commodity Futures Exchange (Zhengshang Exchange). The first is the financial futures exchange, stock index treasury bonds, and the last three are commodity futures exchanges.

Or financial futures, agricultural products futures, industrial products futures and metal futures.