On Jan. 10, 2025, IND NSE said timeline for discontinuing the existing market data broadcast (5-depth, 1-second refresh) has been extended to Feb. 8, 2025.
Document dated Jan. 10, 2025, received from IND NSE Jan. 14, summarized Jan. 16.
On Jan. 23, IND NSE issued consolidated circular about market data.
IND NSE issued circular to consolidate all previous circulars on market data broadcast.
Annexes provide access details and setup required, in order to receive data broadcast.
Follows IND NSE Jul. 2020 consolidated circular about market data, see #82972.
Data Provided
The exchange provides market data (price and volume related) to its trading members in the form of market by price (MBP) and market by order (MBO) for auction market.
Some related data is also provided in the form of trade ticker, open interest (OI), open high low (OHL), auction inquiry broadcast, master updates, and other methods.
Market data broadcast is refreshed either at fixed time interval or are event-driven.
Oct. 2023 Coexistence Period Extended
On Oct. 25, 2023, IND NSE partially modified prior circulars re broadcast parameters in capital market segment; further extended coexistence period for receiving broadcast.
From both existing and new parameters for direct connection users via non-NEAT front-end (NNF), after which NSE shall discontinue the existing broadcast parameters.
Said the revised date of discontinuation existing market data broadcast and existing transcodes shall be Dec. 2, 2023; members are urged to make use of the extended timelines as well as migrate to new broadcast parameter for receiving market data.
Document dated Oct. 25, 2023, received from NSE Oct. 29, summarized Oct. 31.
Nov. 2023 Extend Coexistence
On Nov. 29, 2023, IND NSE extended coexistence period during which users can receive broadcasts from existing, new parameters for direct connection users via NNF.
Members are strongly urged to take advantage of the extended timelines and transition to the new broadcast parameters for receiving market data.
IND NSE stated that the revised discontinuation date is now Jan. 6, 2024.
Mar. 2024 Redistributed Contracts
On Mar. 18, 2024, IND NSE introduced additional streams in futures/options segment.
Contracts available for trading are redistributed across 18 streams in the segment.
The annexure contains access details and setup required on members' systems in order to receive market data broadcast; changes effective from mock of Apr. 6, 2024.
Changes will be available in the live environment with effect from Apr. 8, 2024.
Document dated Mar. 18, 2024, received from IND NSE Mar. 20, summarized Mar. 25.
Apr. 2024 Consolidated Circular
On Apr. 26, 2024, IND NSE issued consolidated circular to consolidate circulars re market data broadcast till Mar. 31, 2024; it replaces circular of Jan. 23, 2023 above.
Members shall note and take action upon the operational instructions such as price volume and related data in annexure 1, tick by tick order and trade data via multicast in annexure 2, and advisory for subscribing to market data broadcast in annexure 3.
Parameters mentioned in annexures will be available for all live, mock trading sessions.
Document dated Apr. 26, 2024, received from IND NSE Apr. 29, summarized on May 1.
Jul. 4, 2024 New Broadcast Parameters
On Jul. 4, 2024, IND NSE issued circular on new broadcast parameters in capital market segment; members are required to refer to annexures for access details and setup required on their systems to receive market data broadcast from new source.
The changes shall be effective from mock of Jul. 6, 2024 and will be available in the live environment with effect from Jul. 8, 2024; issued important instructions re same.
Document dated Jul. 4, 2024, received from IND NSE Jul. 7, summarized Jul. 10.
Jul. 5, 2024 Update on Capital Market Segment
On Jul. 5, 2024, IND NSE said data type will shift from long (4 bytes) or double (8 bytes) to long long (8 bytes) for total traded quantity and total traded value.
New parameters will co-exist with existing parameters until Aug. 3, 2024 mock.
Members' standard operating procedures (SOP), policies, procedures, and mechanisms must be in place to switch between parameters as needed during live operations.
Document dated Jul. 5, 2024, received from IND NSE Jul. 7, summarized Jul. 11.
Dec. 2024 Discontinuation Date
On Dec. 5, 2024, IND NSE said coexistence of old and new parameters will end after the mock testing in Jan. 2025; members must complete migration before deadline.
Document dated Dec. 5, 2024, received from IND NSE Dec. 11, summarized Dec. 13.
Dec. 24, 2024 Broadcast Parameters
On Dec. 24, 2024, IND NSE said existing broadcast parameters in capital market segment to be discontinued; members must prioritize migration if using existing ones.
The existing broadcast parameters will be discontinued on Jan. 13, 2025.
Jan. 2025 Timeline Extended
On Jan. 10, 2025, IND NSE said timeline for discontinuing the existing market data broadcast (5-depth, 1-second refresh) has been extended to Feb. 8, 2025.
Document dated Jan. 10, 2025, received from IND NSE Jan. 14, summarized Jan. 16.
