Chana prices were traded lower by 2.48 per cent in futures market as speculators reduced their exposure, driven by easing demand in the spot market against adequate stocks. At the National Commodity and Derivatives Exchange, chana for delivery in September moved down by Rs 157, or 2.48 per cent. Cutting down of positions by traders owing to subdued demand in the physical market against enough stock position primarily led to the decline in the chana prices.