At the National Commodity and Derivative Exchange, mustard seed for delivery in most-active April month contracts moved up by Rs 12, or 0.31 per cent, to Rs 3,839 per quintal, with an open interest of 38,260 lots.
Mustard seed for delivery in May month contracts too was trading higher by a similar margin at Rs 3,894 per quintal, in an open interest of 23,4890 lots.
Traders attributed persistent rise in mustard seed prices at futures trade to widening of positions by participants, driven by a firm trend at the domestic spot markets on strong demand.