Description

NSE will conduct mock trading session in Capital Market Segment on January 03, 2026 to test NEAT+ version 7.8.7 and Block Trading Session updates.

Summary

NSE will conduct a mock trading session in the Capital Market Segment on Saturday, January 03, 2026. This session follows circular NSE/CMTR/71394 regarding Block Trading Session updates and continues the practice from December 26, 2024. The session will test NEAT+ version 7.8.7, with version 7.8.6 being discontinued on January 03, 2026.

Key Points

  • Mock trading scheduled for Saturday, January 03, 2026
  • Two trading sessions planned: Session-1 from Primary Site and Session-2 from DR Site
  • NEAT+ version 7.8.7 available at /common/NEATPlus787
  • NEAT+ version 7.8.6 will be discontinued on January 03, 2026
  • Block Deal Windows included in both morning (10:45-11:00) and afternoon (12:05-12:20) sessions
  • Live re-login available between 17:00-18:00
  • No financial obligations - trades will not result in fund pay-in or pay-out

Trading Session Schedule

Session-1 from Primary Site:

  • Morning Block Deal Window: 10:45-11:00
  • Pre-Open: 11:00-11:08 (random closure in last minute)
  • Special Pre-open (IPO & Relisted): 11:00-11:45 (random closure in last 10 minutes)
  • Normal Market: 11:15-14:00
  • T+0 Market: 11:15-12:30
  • Call Auction Illiquid: Two 1-hour sessions
  • Auction Market: 11:30-12:15
  • Afternoon Block Deal Window: 12:05-12:20
  • Contingency: 12:45-14:00

Session-2 from DR Site:

  • Pre-Open: 14:45-14:53
  • Normal Market: 15:00-15:30
  • Call Auction Illiquid: One 15-minute session
  • Closing Session: 15:40-15:50
  • Trade Modification end: 16:00

Technical Requirements

Software Details:

  • NEAT+ version 7.8.7 to be used
  • Download path: /common/NEATPlus787
  • Installation guide available at /common/InstallationProcedure
  • Connectivity parameters per circular NSE/MSD/67674 dated April 24, 2025

Order Management:

  • All outstanding orders will be cleared before each session
  • Members using NNF software must manually clear orders in their systems

UCC/PAN Validation:

  • Only valid and compliant UCC/PAN uploaded and approved before cutoff will be allowed
  • UCC validation will be skipped during contingency time
  • Queries to be directed to uci@nse.co.in

Compliance Requirements

  • Members must 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
  • Review Annexure 1 for important instructions regarding mock trading session
  • Review Annexure 2 for pre-requisites and general guidelines for participating in mock environment
  • Review Annexure 3 for guidelines in case of switchover to DR Site

Important Dates

  • January 02, 2026: Circular issued
  • January 03, 2026: Mock trading session date
  • January 03, 2026: Discontinuation date for NEAT+ version 7.8.6

Impact Assessment

Market Impact: None - this is a mock trading session with no real trading activity.

Operational Impact: Low - members need to participate in testing to ensure system readiness. The session tests Block Trading updates and new NEAT+ version. All trades during mock sessions carry no financial obligations.

Member Action Required: Members should prepare systems for mock trading, ensure NEAT+ 7.8.7 is installed, and follow the detailed schedule for both primary and DR site sessions.

Contact Information

Impact Justification

Routine mock trading session for system testing with no new version release; no financial obligations or market impact