The BSE Limited (BSE), on July 9, 2026, announced a revision in the implementation schedule for the new Market Data API (MDI/EMDI Version 1.4.5) in the Equity Segment. The notice is in continuation of the Exchange's earlier circular dated June 24, 2026 concerning the release of the new ETI API and NFCAST Market Data API to support changes relating to the Closing Auction Session.
Under the revised schedule, the go-live date for the MDI/EMDI API Version 1.4.5 has been deferred from July 13, 2026 to July 20, 2026, with the corresponding mock trading session rescheduled from July 11, 2026, to July 18, 2026. The Exchange has clarified that there is no change to the implementation timeline for NFCAST API Version 6.2, which will continue to go live on August 3, 2026, following the mock trading session on August 1, 2026.
Further, the Exchange confirmed that there is no change in the EOBI Version 1.4 implementation schedule. Trading members and market participants have been advised to update their systems in accordance with the revised implementation timelines.
[BSE Notice No. 20260709-11]