Futures contracts of coriander on the NCDEX were trading higher as investors covered their short positions after prices slipped to a four-and-a-half-year low of 4,535 rupees per 100 kg in early trade. The most active June contract was at 4,650 rupees per 100 kg, up 0.8% from the previous settlement. Prices of coriander also rose because of improved demand from stockists. Arrivals in Rajasthan were pegged at 6,500 bags (1bag=40kg), up from 2,800 bags on previous close.