BO Margin File Smart Trade Download KARVY KNOWLEDGE MOBILE APP Know More Before placing an order in commodity futures, investors are required to pay the initial margin as specified by the exchange and this margin vary on daily basis based on market volatility. The applicable margin will be available from the below links. MCX Margin File (%) MCX Margin File (Rs.) ACE Margin File NCDEX Margin File (%) NCDEX Margin File (Rs.)