Description

NSE announces a mock trading session in the Commodity Derivatives segment on May 16, 2026, with no new version release. Members are advised to use NEAT version 1.5.5 and re-login to the live environment post-session.

Summary

NSE will conduct a mock trading session in the Commodity Derivatives (CD) segment on Saturday, May 16, 2026. There is no new version release for this session. Members are required to use NEAT version 1.5.5 and re-login to the live environment after the mock session to ensure smooth connectivity for Monday, May 18, 2026.

Key Points

  • Mock trading session scheduled for Saturday, May 16, 2026 in the Commodity Derivatives segment
  • No new NEAT version release; members must use existing NEAT version 1.5.5 (download path: /comtftp/comtcommon/NEATCO155)
  • NEAT Adapter version 1.0.27 applicable for both Windows and Linux; GR Port: 10859
  • All outstanding orders will be purged before each session; NNF software users must manually clear orders
  • Trades executed during the mock session carry no financial obligation (no fund pay-in or pay-out)
  • NOTIS application will not be accessible during the mock session
  • Connect2NSE and Extranet will be unavailable from 2:00 PM till end of mock session; Extranet API unavailable from 2:00 PM to 3:00 PM
  • Only valid and compliant UCC/PAN uploaded and approved before cutoff will be permitted

Regulatory Changes

No regulatory changes. This is a routine operational mock session circular. Members may use mock trading or the Simulated Environment to meet SEBI regulatory requirements as per circular SEBI/HO/MRD1/DSAP/CIR/P/2020/234.

Compliance Requirements

  • Members must participate using all trading software during the mock session
  • Members must re-login to the live environment after the mock session to confirm readiness for Monday, May 18, 2026
  • Refer to circular NSE/MSD/73993 dated April 30, 2026 for interactive connectivity details
  • Refer to NSE/MSD/73674 dated April 09, 2025 for NEAT Adapter guidance
  • UCC/PAN must be valid, compliant, and approved before cutoff; contact uci@nse.co.in for queries

Important Dates

  • Mock Session Date: Saturday, May 16, 2026
  • Normal Market Open: 12:30 hrs
  • Normal Market Close: 15:15 hrs
  • Position Limit/Collateral Setup Cutoff: 15:25 hrs
  • Trade Modification End Time: 15:25 hrs
  • Live Re-login Start: 18:30 hrs
  • Live Re-login Close: 19:00 hrs
  • Live Market Resumes: Monday, May 18, 2026

Impact Assessment

This circular has minimal market impact as it pertains to a routine mock trading session with no new software version. The primary audience is members of the Commodity Derivatives segment who need to verify their connectivity and systems ahead of regular Monday trading. No financial transactions will occur during the mock session. Members should note the temporary unavailability of Extranet and Connect2NSE services during the session window.

Impact Justification

Routine mock trading session announcement with no regulatory changes, no new software version, and no financial obligations. Relevant only to members of the Commodity Derivatives segment for connectivity testing.