Laws and sections by number or title, due dates, pages, and updates.
The National Stock Exchange conducts a mock trading session for the Commodity Derivatives segment on October 31, 2026. The session includes trading from the Primary site and the Business Continuity Planning site. The Exchange performs a non-graceful shutdown during the switch from the Primary site to the Disaster Recovery site. Members must clear all outstanding orders before the start of trading from the BCP site. Members must participate in the session and perform a re-login to ensure connectivity for the next live trading day. Trades executed during this mock session do not result in fund pay-in or pay-out. Members must use NEAT version 1.5.5 and NEAT Adapter version 1.0.29 for the session.
What you must do
Key dates
Who is affected
If you do not comply
Ask about this circular
| Download Ref No: NSE/COM/77198 | Date: October 30, 2026 |
|---|---|
| Circular Ref. No: 66/2026 |
All Members,
Mock trading from BCP/DR site on Saturday, October 31, 2026
Exchange shall be conducting a mock trading session on Saturday, October 31, 2026 from Primary and BCP site. The mock will be followed by a Re-Log in session from Primary site in order to avoid login problems on Monday, November 02, 2026. The schedule of the mock trading is as follows:
Mock trading from Primary Site:
| Session 1 | Time in hrs |
|---|---|
| Normal Market open time | 09:00 |
| Normal Market close time | 12:00 |
Mock trading from BCP Site:
| Session 2 | Time in hrs |
|---|---|
| Normal Market open time | 12:45 |
| Normal Market close time | 17:00 |
| Position Limit/Collateral value Set up cut off time | 17:15 |
| Trade modification end time | 17:15 |
Re-Log in Session from Primary Site:
| Re-Log in Session | Time in hrs |
|---|---|
| Live Re-login start time | 18:30 |
| Live Re-login close time | 19:00 |
Members are required to perform the following:
For other important instructions members may refer to the following:
Annexure 1: Operational instructions for BCP 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 |
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 /comtftp/comtcommon/Installation_Procedure. |
| NEAT Version: | 1.5.5 |
| Neat Adapter Version: | 1.0.29 |
| 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 : |
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. |
Important guidelines in case of switchover of trading system to Disaster Recovery (DR) Site
