Shares of Welspun Corp fell 2.1 per cent to Rs 89.65 around noon on Wednesday after the National Stock Exchange excluded it from the derivative segment.
In a circular on Tuesday, the NSE said trading in futures and options contracts of Welspun Corp would not be available from April 26.
However, the existing unexpired F&O contracts of Welspun Corp for expiry months February, March and April would continue to be available for trading till their respective expiry and new strikes would also be introduced in the existing contract months, it said.
Open interest for current month series stands at 1.87 crore shares.