Mock session on Saturday, July 25, 2026 - No new version release - Update
NSE circular NSE/COM/75392 · 24 Jul 2026
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The National Stock Exchange of India (NSE) will conduct a mock trading session in the Commodity Derivatives segment on July 25, 2026. This circular supersedes the previous mock circular issued on July 23, 2026. The session is divided into two parts: the first from the primary site (13:15 to 15:15) and the second from the Disaster Recovery (DR) site (16:00 to 17:00). Members are required to participate using all trading software and perform a live re-login between 19:00 and 19:30 to ensure connectivity for the next trading day. Trades executed during this session will not result in any financial obligations. All outstanding orders must be cleared before each session, and NNF users must manually clear orders in their systems.
What you must do
- Participate in the mock session and perform a live re-login.
- Manually clear outstanding orders if using NNF software.
Key dates
Document text
National Stock Exchange of India Limited
Circular
| Department: COMMODITY DERIVATIVES | |
|---|---|
| Download Ref No: NSE/COM/75392 | Date: July 24, 2026 |
| Circular Ref. No: 47/2026 |
All Members,
Mock session on Saturday, July 25, 2026 – No new version release - Update
Members are required to note that this circular supersedes the mock circular NSE/COM/75373 issued on July 23, 2026 and are requested to consider the below updated mock session timings and other details as follows:
Exchange will be conducting a mock trading session in the Commodity Derivatives segment on Saturday, July 25, 2026.
| Mock Date: July 25, 2026 | |
|---|---|
| Particulars | Time in Hrs |
| Trading Session-1 from Primary Site | |
| Normal Market open time | 13:15 |
| Normal Market close time | 15:15 |
| Trading Session-2 from DR Site | |
| Normal Market open time | 16:00 |
| Normal Market close time | 17:00 |
| Position Limit/Collateral value Set up cut off time | 17:10 |
| Trade Modification end time | 17:10 |
| Relogin Timings | |
| Live Re-login start time | 19:00 |
| Live Re-login close time | 19:30 |
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. Annexure 3: Important guidelines in case of switchover of trading system to Disaster Recovery (DR) Site.
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. |
| 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 :
|
| NOTIS Availability: | NOTIS application will not be accessible during the mock session. |
| Participation: | Members should participate using all trading software and re-login into live environment to ensure smooth connectivity for Monday, July 27, 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. |
Annexure – 3
Important guidelines in case of switchover of trading system to Disaster Recovery (DR) Site
- Kindly note below points after switch over to DR site: a. Trades of primary site will be available in Previous Trades window. b. Trades can be modified/cancelled using Multiple Trade Modification and Cancellation window respectively. c. Messages of primary site will be available in TWS Message Area.
- If user renames or deletes the User folder and re-login the NEAT+ terminal, then data of primary site shall not be available in the functional window as mentioned above point.
Source details
- Source
- National Stock Exchange of India
- Type
- circular
- Published by source
- 24 Jul 2026
- Document number
- NSE/COM/75392
- Issuing division
- COMMODITY DERIVATIVES
- Coverage area
- securities