The exchange had posted Rs 32.90 crore in the April-June quarter of the last financial year.
Net income declined to Rs 87.24 crore on a consolidated basis in the first quarter of the 2017-18 financial year from Rs 93.91 crore in the year-ago period, the exchange said in a BSE filing.
Expenses remained higher at Rs 51.11 crore as against Rs 45.79 crore in the said period.
MCX has more than 85 per cent share in the commodity futures market. If offers futures trading in bullion, metals and some agricultural commodities.