Under the futures and options (F&O) segment, nine stocks were banned from trade on Friday, June 16, by the National Stock Exchange (NSE). 

The securities banned for F&O trade are Indiabulls Housing Finance Company, Indian Energy Exchange (IEX), The India Cements, Bharat Heavy Electricals (BHEL), Manappuram Finance, Delta Corp, Zee Entertainment Enterprises (ZEEL), Tata Chemicals and L&T Finance Holdings (L&TFH).

Indiabulls has been under the ban since June 6, while ZEEL entered the list on Thursday. Tata Chemicals and L&TFH were the latest stocks to join the list. Rest have been retained from the previous trading session. 

Derivative contracts of these stocks were banned as they have 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 anytime. 

The ban will be lifted once the position falls below 80%. Till then, these securities will remain on the list. Traders who buy or sell these securities will get penalised. However, traders with existing positions can unwind their positions. The banned stocks will be available for trading in the cash market.

The National Stock Exchange updates the list of securities on the F&O ban list daily. This list serves as a guide for traders and investors in the market. Traders who trade in indices do not encounter a situation of security ban.