Futures contracts of coriander on the NCDEX were down nearly 3% today as investors booked profits after prices hit a four-week high of 5,310 rupees per 100 kg on previous close. A 2,400 tonne decline in open interest in the July contract to 28,270 tonne indicated profit booking by participants. The most active July coriander contract on the bourse was at 5,144 rupees per 100 kg, down 2.7% from the previous close.