Eleven stocks, including BirlaSoft, Bandhan Bank, and Tata Chemicals, fall under the F&O trade ban as their open interest exceeds 95% of MWPL. Exiting the ban requires open interest to drop below 80%, with various stocks showing slight decreases in OI from the previous session. Eleven stocks, including BirlaSoft, Bandhan Bank, and Tata Chemicals, fall under the F&O trade ban as their open interest exceeds 95% of MWPL. Exiting the ban requires open interest to drop below 80%, with various stocks showing slight decreases in OI from the previous session. Economic Times