Eleven stocks, including ABFRL and GNFC, are banned from F&O trade for exceeding 95% MWPL. The ban lifts if OI falls below 80%. Trendlyne Friday data: GMR 223.3M (104.1% MWPL); Chambal Fertilizers 10.1M (86.3% MWPL). Index traders are unaffected. Sensex reached 80,893.51, closing at 80,519.34; while Nifty hit 24,592.20, closing at 24,502.15.