Mock session on Saturday, September 19, 2026 - No new version release
NSE circular NSE/COM/76414 · 18 Sept 2026
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The National Stock Exchange of India Limited conducts a mock trading session for the Commodity Derivatives segment on September 19, 2026. The session operates from the Disaster Recovery site. The normal market opens at 11:15 and closes at 12:30. Members must complete position limit and collateral value setup by 12:40. Trade modifications also end at 12:40. Members must perform a live re-login between 14:00 and 14:30. All outstanding orders clear before the session. Trades during this session do not create financial obligations. Members must use NEAT version 1.5.5. The NOTIS application remains unavailable. Members should participate to ensure connectivity for the next trading day.
What you must do
- Members must perform a live re-login between 14:00 and 14:30.
- Members must use NEAT version 1.5.5.
- Members using NNF software must manually clear orders in their systems.
Document text
National Stock Exchange of India Limited
Circular
| Department: COMMODITY DERIVATIVES | |
|---|---|
| Download Ref No: NSE/COM/76414 | Date: September 18, 2026 |
| Circular Ref. No: 57/2026 | |
All Members,
Mock session on Saturday, September 19, 2026 - No new version release
Exchange will be conducting a mock trading session in the Commodity Derivatives segment on Saturday, September 19, 2026.
| Mock Date: September 19, 2026 | |
|---|---|
| Particulars | Time in Hrs |
| Trading Session from DR Site | |
| Normal Market open time | 11:15 |
| Normal Market close time | 12:30 |
| Position Limit/Collateral value Set up cut off time | 12:40 |
| Trade Modification end time | 12:40 |
| Re-login Timings | |
| Live Re-login start time | 14:00 |
| Live Re-login close time | 14:30 |
For other important instructions regarding the mock trading, kindly refer to the following Annexures:
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/73993 dated April 30, 2026 for interactive connectivity details. |
| Installation Guide: | Available on NSE Extranet at /comtftp/comtcommon/Installation_Procedure. |
| NEAT Version: | 1.5.5 |
| 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. |
| No Financial Obligation: | Trades during mock sessions will not result in any fund pay-in or pay-out. |
| NOTIS Availability: | The NOTIS application will not be available during the mock session. |
| Extranet / Member portal availability | Connect2NSE(member portal) facility shall not be available from 19:00 hours to 23:00 hours. |
| Extranet API shall not be available from 11:30 to 14:00 hours and 19:00 to 23:00 hours. | |
| 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. | |
| Participation: | Members should participate using all trading software and re-login into live environment to ensure smooth connectivity for Monday, September 21, 2026. |
| 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 Commodity Derivatives (CD) 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 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
- 18 Sept 2026
- Document number
- NSE/COM/76414
- Issuing division
- COMMODITY DERIVATIVES
- Coverage area
- securities