New Delhi, Aug. 28 -- Stock exchange BSE notified on Thursday, August 28, proposed to introduce a pre-open session for index and stock futures in the equity derivatives segment. The same is expected to come into force from Monday, December 08, 2025, onwards.

While the exchanges already hold pre-open session trading in the equity segment, BSE said that now the same message structures and field definitions will be applicable for pre-open session trading in the equity derivatives segment.

"Trading members are requested to note that there shall be no new changes in the ETI API or market data broadcast streams to facilitate roll-out of the said functionality," the BSE circular stated.

In order to facilitate the smoother rollout of this new ...