Laws and sections by number or title, due dates, pages, and updates.
The National Stock Exchange of India Limited conducts a mock trading session in the Equity Derivatives segment on September 19, 2026. Members must use NEAT+ version 7.9.0 for the revised Pre-Open framework. The exchange discontinues NEAT+ version 7.8.9 on October 10, 2026. Members must participate using all trading software and perform a live re-login between 14:00 and 14:30 hours to ensure connectivity for the next trading day. Trades during this session do not create financial obligations. All outstanding orders clear before the session starts. Members using NNF software must manually clear orders in their systems.
What you must do
Key dates
Who is affected
If you do not comply
Ask about this circular
Department: FUTURES & OPTIONS
| Download Ref No: NSE/FAOP/76410 | Date: September 18, 2026 |
|---|---|
| Circular Ref. No: 127/2026 |
All Members,
Mock trading on Saturday, September 19, 2026 – No new version release
Exchange shall be conducting a mock trading session in the Equity Derivatives (F&O) segment on Saturday, September 19, 2026 as per following schedule:
| Mock Date: September 19, 2026 | |
|---|---|
| Particulars | Time in Hrs |
| Trading Session from DR Site | - |
| Pre-Open Open time | 11:15 |
| Pre-Open Market order restriction start time | 11:20 |
| Pre-Open Close time* | |
| * Random closure in last two minute | 11:25* |
| Normal Market open time | 11:30 |
| Update of Stock & Index future price bands for alignment with CAS in Equity Cash Market | 12:15 |
| Normal Market close time | 12:40 |
| Trade modification end time | 12:50 |
| Re-login Timings | Time in Hrs |
|---|---|
| Live Re-login start time | 14:00 |
| Live Re-login close time | 14:30 |
Members are required to take note of the below important points:
| Version | Download path on NSE Extranet path |
|---|---|
| NEAT+ 7.9.0 | /faoftp/faocommon/NEATPlus790 |
| Version | Discontinuation date |
|---|---|
| 7.8.9 | October 10, 2026 (mock) |
For other important instructions regarding the mock trading, kindly refer to the following Annexure:
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 |
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 |
| /faoftp/faocommon/Installation_Procedure. | |
| NEAT Version: | NEATPlus 7.8.9 & 7.9.0 |
| 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 Futures & Options (FO) 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): |
