Release of new version of NFCAST and EMDI market data API for Closing Auction Session Changes

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NOTICE Notice No. 20260515-25 Notice Date 15 May 2026 Category Trading Segment Equity Department Trading Development Subject Release of new version of NFCAST and EMDI market data API for Closing Auction Session Changes Attachments No Attachment This is in continuation to Exchange circular no. 20260330-39 dated March 30, 2026 regarding Release of new version of ETI API & NFCAST market data API for facilitating Closing Auction Session related changes. As part of roll-out of market data changes, it is proposed to implement additional enhancements in NFCAST market data. For this, updated version of NFCAST market data API, ver. 6.1 has been made available, incorporating suitable changes. Further, new version of EMDI (Enhanced Market Data Interface) ver. 1.4.5 has been made available, incorporating suitable changes. These documents shall be available on the Exchange website - http://www.bseindia.com/nta.aspx . Trading members and third-party front-end trading application vendors are advised to initiate necessary changes in their respective applications and test the same in the test environment to ensure a smooth rollout. The Exchange shall notify members separately regarding the availability of CAS related changes in the test (simulation) environment. For any queries or clarifications, members may kindly get in touch as per the following contact details – Queries Email ID Telephone No. Technical queries bse.tech@bseindia.com 022-2272 8053 For & On Behalf of BSE Ltd, Nawaid Pathan Amith Iyer Vice President Dy. Vice President I.T. Development Trading Development May 15 , 2026