NSE circular NSE/CMTR/76688 · 01 Oct 2026
Official record
Open source pageSummary
Check the official recordThe National Stock Exchange of India Limited conducts a half-yearly review of market lot sizes for securities on the SME platform. This review follows SEBI guidelines. The exchange revises the market lot size for 60 symbols downwards. The market lot size for 514 symbols remains unchanged. Trading members must load the updated security.gz and nnf_security.gz files in their trading applications. Members obtain these files from the extranet server directory before the effective date. The changes apply from November 02, 2026.
What you must do
Who is affected
[Image omitted. See the official document.] [Image omitted. See the official document.]
| Department: CAPITAL MARKET SEGMENT | |
|---|---|
| Download Ref No: NSE/CMTR/76688 | Date: October 01, 2026 |
| Circular Ref. No: 139/2026 | |
All Members,
Review of market lot for securities on SME platform
This is with reference to SEBI circular no CIR/MRD/DSA/06/2012 dated February 21, 2012 regarding standardized lot size for SME Exchange/Platform.
Based on guidelines of aforesaid circular, Exchange has conducted half yearly review of the lot size of the current active securities on SME Platform. Accordingly, the lot size changes in the market lot for the SME securities for September 2026 are as follows:
| Sr. No | List of symbols whose market lot shall be | Count of Symbols | Effective date for revised lot size | Annexure Number |
|---|---|---|---|---|
| 1 | Revised Downwards | 60 | November 02, 2026 | 1 |
| 2 | Unchanged | 514 | - | 2 |
Further, members are advised to load the updated security.gz/nnf_security.gz file in the trading application before trading on the effective date. These files can be obtained from the directory /common/NTNEAT on the extranet server.
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 |