Coriander prices fell 1.87 per cent to Rs 5,501 a quintal in futures market as participants cut bets amid muted domestic and export demand against ample stocks position. Profit-booking at higher levels also weighed on traders’ sentiment. At National Commodity and Derivatives Exchange, coriander futures prices for delivery in January declined by Rs 105, or 1.87 per cent, to Rs 5,501 per quintal, with an open interest of 35,550 lots.