NSE circular NSE/COM/76817 · 09 Oct 2026
Official title
Mock Session on Saturday, October 10, 2026 - No new release
Official record
Open source pageSummary
Check the official recordThe National Stock Exchange of India Limited conducts a mock trading session in the Commodity Derivatives segment on October 10, 2026. The session includes two trading periods from the primary site and the Disaster Recovery site. Members must participate to ensure connectivity for the live environment on October 12, 2026. The session allows testing of Order Snapshot Recovery via TCP/IP for MTBT broadcast. Trades during this session do not result in fund pay-in or pay-out. Members must use NEAT version 1.5.5 and clear all outstanding orders before each session. Connect2NSE and Extranet facilities remain unavailable during specified hours on the mock date.
What you must do
Key dates
| Department: COMMODITY DERIVATIVES | |
|---|---|
| Download Ref No: NSE/COM/76817 | Date: October 09, 2026 |
| Circular Ref. No: 62/2026 | |
All Members,
Mock session on Saturday, October 10, 2026 - No new version release
In continuation to circular (Download No. 71999) dated December 24, 2025, Exchange will be conducting a mock trading session in the Commodity Derivatives segment on Saturday, October 10, 2026.
| Mock Date: October 10, 2026 | |
|---|---|
| Particulars | Time in Hrs |
| Trading Session-1 from Primary Site | |
| Normal Market open time | 11:00 |
| Contingency Start | 11:45 |
| Contingency Close | 13:15 |
| Normal Market close time | 14:00 |
| Trading Session-2 from DR Site | |
| Normal Market open time | 14:45 |
| Normal Market close time | 15:30 |
| Position Limit/Collateral value Set up cut off time | 15:40 |
| Trade Modification end time | 15:40 |
| Relogin Timings | |
| Live Re-login start time | 18:30 |
| Live Re-login close time | 19:00 |
Members are requested to refer to Exchange circular download ref no NSE/MSD/76689 dated October 01, 2026 for introduction of Order Snapshot Recovery via TCP/IP for MTBT broadcast in Commodity Segment. The same shall be available for testing in the mock of October 10, 2026 and shall be effective in LIVE from October 12, 2026.
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 |
| 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 : |
| • 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, October 12, 2026. |
| NOTIS Availability: | The NOTIS application will be accessible during the mock session-2. |
| Extranet / Member portal availability | Connect2NSE and Extranet facility shall not be available from 12:30 hours to 21:00 hours. |
| Extranet API shall not be available from 12:30 to 14:00 hours. |
| Live Updates: | Visit www.nseindia.com for any session-related updates. |
| Support: | For queries, call Toll-Free: 1800 266 0050 (Option 1). |
| 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): |
Who is affected
Exceptions
If you do not comply