The total turnover of all commodity exchanges (three national and 21 regional exchanges) increased 7% to Rs 18.35 lakh crore during January-June 2007 compared with Rs 17.13 lakh crore in the corresponding period last year.

The Multi Commodity Exchange of India Ltd (MCX) registered a turnover growth of 38% and reinforced its leadership with a market share of nearly 71% compared with 54.4% in the first six months last year, followed by NCDEX at 25% (39%) and NMCE 1% (2.4%) during the review period. The turnover of the other two pan-India exchanges ? National Commodity and Derivative Exchange Ltd (NCDEX) and National Multi Commodity Exchange of India Ltd (NMCE)?slipped 32% and 57%, respectively.

The three exchanges (MCX, NCDEX and NMCE) together accounted for 96.5% of the total value of commodities traded in the futures market and 21 regional exchanges accounted for just 3.5%. MCX total turnover during the first six months of the current calendar year stood at Rs 13 lakh crore (Rs 9.41 lakh crore), NCDEX turnover was down 32% to Rs 4.54 lakh crore and Ahmedabad-based NMCE?s turnover dropped more than half to Rs 17,636 crore, trade sources said.

The top traded commodities in the futures market were gold, silver, copper, zinc, crude oil, refined soya oil, guarseed and mentha oil.