Mock trading on Saturday, September 12, 2026 - No new version release
NSE circular · 11 Sept 2026
National Stock Exchange of India Limited Circular Department: CAPITAL MARKET SEGMENT Download Ref No: NSE/CMTR/76303 Date: September 11, 2026 Circular Ref. No: 129/2026 All Members, Mock trading on Saturday, September 12, 2026 –No new version release Exchange shall be conducting a mock trading session in the Capital Ma…
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National Stock Exchange of India Limited
Circular
Department: CAPITAL MARKET SEGMENT
| Download Ref No: NSE/CMTR/76303 | Date: September 11, 2026 |
|---|---|
| Circular Ref. No: 129/2026 |
All Members,
Mock trading on Saturday, September 12, 2026 –No new version release
Exchange shall be conducting a mock trading session in the Capital Market segment on Saturday, September 12, 2026 as per following:
| Mock Date: September 12, 2026 | |
|---|---|
| Particulars | Time in Hrs |
| Trading Session from Primary site | |
| Morning Block Deal Window Session-1 open time | 10:45 |
| Morning Block Deal Window Session-1 close time | 11:00 |
| Pre-Open open time | 11:00 |
| Pre-Open Market order restriction start time | 11:05 |
| Pre-Open* close time | |
| * Random closure in last two minutes | 11:10* |
| Special Preopen Session open time (For IPO & Relisted security) | 11:00 |
| Special Preopen Session** close time (For IPO & Relisted security) | |
| ** Random closure in last ten minute | 11:45 |
| Normal Market open time | 11:15 |
| T+0 Market Open time | 11:15 |
| Call Auction Illiquid session open time (5 sessions of 1 hour each)* | |
| * Random closure in last one minute | 11:30 |
| T+0 Market Close time | 13:30 |
| T+0 Market Trade modification end time | 13:45 |
| Normal market open time for stocks in special preopen session | 12:00 |
| Auction Market Open Time | 14:30 |
| Auction Market Close Time | 15:15 |
| Block Deal Window Session – 2 Open time | 14:05 |
| Block Deal Window Session – 2 Close time | 14:20 |
| Normal Market close time for CAS securities. | 16:15 |
| CAS Open time | 16:20 |
| CAS Market order restriction start time | 16:25 |
| CAS close time * | |
| * Random closure in last two minute | 16:30 |
| Normal Market close time | 16:30 |
| Closing Session open time | 16:50 |
| Closing Session close time | 17:00 |
| Trade modification end time | 17:05 |
| Re-login Timings | - |
| Live Re-login start time | 19:30 |
| Live Re-login close time | 20:00 |
Members are advised to take note of the below important instructions:
-
Below new NEAT+ version should be used explicitly for CAS:
Version Download path on NSE Extranet path NEAT+ 7.9.0 /cmftp/common/NEATPlus790 -
The existing NEAT+ exe version shall be discontinued as per below:
Version Download path on NSE Extranet path Discontinuation date 7.8.9 /cmftp/common/NEATPlus789 October 10, 2026 (mock) -
Members are requested to refer updated NEATPlus installation procedure as per the circular NSE/MSD/76159 dated September 03, 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 |
Annexure – 1
Important instructions regarding mock trading session
| Particulars | Details |
|---|---|
| Connectivity Parameters: | Refer to circular NSE/MSD/73993 dated April 30, 2026 & NSE/MSD/74511 dated June 02, 2026 for interactive connectivity details. |
| Installation Guide: | Available on NSE Extranet at /common/InstallationProcedure. |
| Software Version: | NEAT+ 7.9.0 & 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. |
| No Financial Obligation: | Trades during mock sessions will not result in any fund pay-in or pay-out. |
| UCC/PAN Validity: | 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. | |
| NOTIS Availability: | The NOTIS application will 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 Tuesday September 15, 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 Capital Market (CM) 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.
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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
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b) CTCL Conversion (only dealer IDs)
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c) Password Reset for Corporate Manager User ID
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d) Unlocking of Corporate Manager User ID
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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
- 11 Sept 2026
- Coverage area
- securities