On the day of relaunch of chana futures on the National Commodity & Derivatives Exchange, open interest in the commodity was at 40% of the overall volume. Total open interest in the active contracts of September and October combined were 6,990 tonne, while the total volume traded was 17,380 tonne. It added that over 180,000 farmers had registered with the exchange. The most active September contract ended up 0.5% at 5,330 rupees per 100 kg.