The securities banned for the F&O trade are Bandhan Bank, Chambal Fertilisers, Gujarat Narmada Valley Fertilizers and Chemicals, Granules India, Hindustan Copper, IDFC First Bank, Indian Energy Exchange Ltd, L&T Finance, Manappuram Finance, National Aluminium Ltd, Punjab National Bank, RBL Bank, Steel Authority of India Ltd, and Tata Chemicals Ltd. Derivative contracts of these stocks were banned as the open market interest for these securities has crossed 95% of the market-wide position limit (MWPL) set by the exchanges. The MWPL is the maximum number of contracts that can be opened at any particular time. Chambal Fertilisers, Gujarat Narmada Valley, and Granules India, were retained on the list from Tuesday as the open interest as a percentage of the MWPL of its F&O contracts stood at 93.8%, 94.3%, and 85.6%, respectively.