The turnover of China's futures market hit 134.74 trillion yuan ($21.39 trillion) during the first 10 months of 2012, a year-on-year increase of 18.84 percent, latest data has indicated.

More than 1.15 billion transactions took place on the country's futures market in the January-October period, up 32.51 percent from the previous year's equivalent period, according to a China Futures Association statement issued on Saturday.

In October, turnover rose 41.87 percent year-on-year to 15.16 trillion yuan, up 41.87 percent year-on-year, the statement said.

The Shanghai Futures Exchange, one of China's four major futures markets, saw turnover fall 24.69 percent year-on-year to 3.64 trillion yuan in October.

Established in 1999, the Shanghai market deals in commodities such as copper, aluminum, rubber and fuel oil.

The turnover of the Zhengzhou Commodity Exchange, which specializes in agricultural and chemical products futures, slid 3.06 percent year-on-year to 1.25 trillion yuan last month.

However, the Dalian Commodity Exchange, the nation's largest futures market for agricultural goods, saw its transaction value surge 177.11 percent year-on-year in October, the statement said.

The China Financial Futures Exchange, which specializes in financial derivatives, saw turnover more than double to reach 6.23 trillion yuan.