Description

NSE will conduct a mock trading session in the Capital Market Segment on January 17, 2026 using NEAT+ version 7.8.7 with no new version release.

Summary

NSE will conduct a mock trading session in the Capital Market Segment on Saturday, January 17, 2026. The session will use NEAT+ version 7.8.7 with no new version release. The mock session includes trading from both Primary Site and DR Site with specific timings for various trading windows including pre-open, normal market, T+0 market, block deals, and call auction sessions.

Key Points

  • Mock trading date: January 17, 2026
  • NEAT+ software version: 7.8.7 (no new version release)
  • Download path: /common/NEATPlus787 on NSE Extranet
  • Trading Session-1 from Primary Site: 09:45 to 13:00
  • Trading Session-2 from DR Site: 13:45 to 14:50
  • Live re-login window: 16:00 to 16:30
  • All outstanding orders will be cleared before each session
  • No financial obligations from mock trades
  • Only valid and compliant UCC/PAN will be allowed
  • Members should participate using all trading software and re-login to ensure smooth connectivity for Monday, January 19, 2026

Regulatory Changes

No regulatory changes introduced in this circular.

Compliance Requirements

  • Members must ensure valid and compliant UCC/PAN are uploaded and approved before cutoff
  • UCC validation will be skipped during contingency time for order entry
  • Members using NNF software must manually clear orders in their systems
  • Members should refer to circular NSE/MSD/46441 and SEBI circular SEBI/HO/MRD1/DSAP/CIR/P/2020/234 for software testing requirements
  • Members may use either Mock Trading or Simulated Environment to meet regulatory requirements

Important Dates

  • January 17, 2026: Mock trading session
  • January 19, 2026: Normal live trading resumes (Monday)

Trading Session Schedule

Session-1 (Primary Site)

  • Morning Block Deal Window: 09:45 - 10:00
  • Pre-Open: 10:00 - 10:08 (random closure in last minute)
  • Special Pre-open (IPO & Relisted): 10:00 - 10:45 (random closure in last 10 minutes)
  • Normal Market Open: 10:15
  • T+0 Market: 10:15 - 12:00
  • Call Auction Illiquid: 10:30 - 12:00 (2 sessions of 1 hour each)
  • Auction Market: 11:00 - 12:05
  • Block Deal Window Session-2: 12:05 - 12:20
  • Normal Market Close: 13:00

Session-2 (DR Site)

  • Pre-Open: 13:45 - 13:53 (random closure in last minute)
  • Normal Market: 14:00 - 14:30
  • Call Auction Illiquid: 14:00 - 14:30 (1 session of 15 minutes)
  • Closing Session: 14:40 - 14:45
  • Trade Modification End: 14:50

Re-login Timings

  • Live Re-login: 16:00 - 16:30

Impact Assessment

This is a routine mock trading session with minimal market impact. No actual financial obligations arise from trades executed during the mock session. The session is designed for system testing and connectivity verification. Members are encouraged to participate to ensure smooth operations when live trading resumes on Monday, January 19, 2026. The session provides an opportunity to test disaster recovery capabilities through the DR Site session.

Impact Justification

Routine mock trading session with no new version release or regulatory changes. No financial obligations or market impact. Only affects members participating in testing.