Mock Trading Session
NSE circular NSE/FAOP/76036 · 29 Aug 2026
Official title
Mock trading on Sunday, August 30, 2026 - No new version release
Official record
Open source pageSummary
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The National Stock Exchange of India conducts a mock trading session on Sunday, August 30, 2026, from the Disaster Recovery site. The session includes pre-open, normal market, and trade modification phases between 11:00 and 12:45. Members must use NEATPlus versions 7.8.8 or 7.8.9 for this session. The exchange updates stock future price bands at 12:15 to align with the Equity Cash Market. Members must clear all outstanding orders before the session. Trades during this mock session do not result in fund pay-in or pay-out. Members must use valid and compliant UCC/PAN details. Live re-login occurs between 14:30 and 15:00.
What you must do
- Use NEATPlus version 7.8.8 or 7.8.9 for the mock session.
- Clear all outstanding orders before the session.
- Manually clear orders in NNF software systems.
Key dates
Document text
National Stock Exchange of India Limited
Circular
| Department: FUTURES & OPTIONS | |
|---|---|
| Download Ref No: NSE/FAOP/76036 | Date: August 29, 2026 |
| Circular Ref. No: 121/2026 | |
All Members,
Mock trading on Sunday, August 30, 2026 – No new version release
Exchange is conducting a mock trading session on Sunday, August 30, 2026 from DR site.
| Mock Date: August 30, 2026 | |
|---|---|
| Particulars | Time in Hrs |
| Trading Session from DR Site | - |
| Pre-Open Open time | 11:00 |
| Pre-Open Close time* | |
| *Random closure in last one minute | 11:08 |
| Normal Market open time | 11:15 |
| Update of Stock future price bands for alignment with CAS in Equity Cash Market | 12:15 |
| Normal Market close time | 12:40 |
| Trade Modification end time | 12:45 |
| Re-login Timings | |
|---|---|
| Live Re-login start time | 14:30 |
| Live Re-login close time | 15:00 |
Members are advised to use NEAT version 7.8.8 & 7.8.9 for this mock
Members are required to take note of the below important points: A) NEATPlus version details:
| Version | Download path on NSE Extranet path | Discontinuation date |
|---|---|---|
| 7.8.8 | /faoftp/faocommon/NEATPlus788 | September 05, 2026 (mock) |
| 7.8.9 | /faoftp/faocommon/NEATPlus789 | - |
National Stock Exchange of India Limited
B) In order to align the price band for stock future contacts applicable during the CAS in CM segment, the reference price shall be determined based on the VWAP of the trades executed in the respective stock futures between 12:00 and 12:15.
C) NEATPlus version (7.8.8 & 7.8.9) are compatible with new broadcast parameters. For information regarding market data parameters, kindly refer the circular NSE/MSD/75324 dated July 21, 2026.
D) Members using direct connection via NNF may note that existing broadcast parameters shall be discontinued from September 05, 2026 (circular reference NSE/MSD/75324). Accordingly, they shall plan to migrate to new market data broadcast parameters on priority if still using existing broadcast parameters.
For other important instructions regarding the mock trading, kindly refer to the following Annexure:
Annexure 1: Important instructions regarding mock trading session.
Annexure 2: Pre-requisites / General guidelines for participating in the Mock environment.
For and on behalf of
National Stock Exchange of India Limited
Khushal Shah
Associate Vice President
| Toll Free No | Email id |
|---|---|
| 1800-266-0050 (Option 1) | msm@nse.co.in |
Annexure – 1
Important instructions regarding mock trading session
| Particulars | Details |
|---|---|
| Connectivity Parameters: | Refer to circular NSE/MSD/74511 dated June 02, 2026 for interactive connectivity details. |
| Installation Guide: | Available on NSE Extranet |
| at /faoftp/faocommon/Installation_Procedure. | |
| NEAT Version: | NEATPlus 7.8.8 & 7.8.9 |
| Order Purge: | All outstanding orders will be cleared before each session. Members using NNF software must manually clear orders in their systems. |
| Software Testing: | Refer to circular NSE/MSD/46441 and SEBI circular SEBI/HO/MRD1/DSAP/CIR/P/2020/234. Members may use either Mock Trading or Simulated Environment to meet regulatory requirements. |
National Stock Exchange of India Limited
| No Financial Obligation: | Trades during mock sessions will not result in any fund pay-in or pay-out. |
| UCC/PAN Validity: | With reference to Exchange circular NSE/ISC/51754 dated March 24, 2022 and NSE/ISC/52722 dated June 23, 2022 issued by Investor Services Cell and updated from time to time : |
| • Only valid and compliant UCC/PAN uploaded and approved before cutoff will be allowed. | |
| • For queries, contact uci@nse.co.in. | |
| UCC Validation will be skipped during contingency time for order entry. | |
| Live Updates: | Visit www.nseindia.com for any session-related updates. |
| Support: | For queries, call Toll-Free: 1800 266 0050 (Option 1). |
Annexure – 2
Pre-requisites / General guidelines for participating in the Mock environment
| Pre-requisites / General guidelines Heads | Details |
|---|---|
| Eligibility | All members enabled for trading in the Futures & Options (FO) segment in the live market are automatically eligible for mock trading. |
| Participation is enabled using existing User IDs, IPs, and Box ID mappings from the live environment. | |
| Telnet Connectivity | Ensure you can successfully telnet the Exchange host from the IP address you intend to use. |
| Box ID Setup | Confirm that the Box ID is created on the IP with appropriate messages for the segment you wish to trade in. |
| NNF Application Users | If using Non-NEAT Frontend (NNF): |
| a) User ID must be of dealer type. | |
| b) It must be converted for NNF. | |
| C) It must be mapped with the IP. | |
| Branch/User Limits | Set appropriate branch and user limits from the Corporate Manager Terminal before placing orders in the mock session. |
| Exchange Requests for Mock Participation | Send email requests for the following actions with User ID and segment details: |
a) Pro Enablement |
National Stock Exchange of India Limited
| b) CTCL Conversion (only dealer IDs) | |
| c) Password Reset for Corporate Manager User ID | |
| d) Unlocking of Corporate Manager User ID | |
| e) Change of Trading Rights (e.g., PRO to CLI, PRO+CLI) | |
| Password Management | Corporate Manager User ID: Exchange will assist with reset/unlock via email. |
| Other User IDs: Members must reset/unlock these themselves using the Corporate Manager Terminal. |
Source details
- Source
- National Stock Exchange of India
- Type
- circular
- Published by source
- 29 Aug 2026
- Document number
- NSE/FAOP/76036
- Issuing division
- FUTURES & OPTIONS
- Coverage area
- securities