Description

NSE to conduct mock trading session in Futures & Options segment on October 04, 2025 with release of new NEAT+ version 7.8.4 and discontinuation of version 7.8.3.

Summary

NSE will conduct a mock trading session in the Futures & Options segment on Saturday, October 04, 2025, featuring the release of new NEAT+ version 7.8.4. The session will test both primary site and disaster recovery (DR) site operations. NEAT+ version 7.8.3 will be discontinued on November 01, 2025.

Key Points

  • Mock trading session scheduled for October 04, 2025 in F&O segment
  • New NEAT+ version 7.8.4 available from October 03, 2025 at 18:00 hrs
  • Primary site mock trading: 11:15 hrs to 14:00 hrs with contingency testing from 12:45 hrs to 14:00 hrs
  • DR site mock trading: 15:00 hrs to 16:00 hrs, with trade modification until 16:10 hrs
  • Live re-login session: 18:00 hrs to 18:30 hrs
  • NEAT+ 7.8.3 and 7.8.4 compatible with new broadcast parameters
  • Existing broadcast parameters via NNF will be discontinued from October 04, 2025
  • Connect2NSE and Extranet unavailable from 11:00 am to 02:00 pm
  • Extranet API unavailable from 11:00 am to 11:30 am

Regulatory Changes

  • NEAT+ version 7.8.3 will be discontinued on November 01, 2025 (mock)
  • Existing market data broadcast parameters to be discontinued from October 04, 2025
  • Members must migrate to new market data broadcast parameters (refer NSE/MSD/69328 and NSE/MSD/69966)
  • UCC/PAN validation requirements apply (refer NSE/ISC/51754 and NSE/ISC/52722), but will be skipped during contingency time

Compliance Requirements

  • Members must download and install NEAT+ version 7.8.4 from /faoftp/faocommon/NEATPlus784
  • Members using direct connection via NNF must migrate to new broadcast parameters on priority
  • Members using NNF software must manually clear outstanding orders in their systems
  • Only valid and compliant UCC/PAN uploaded and approved before cutoff will be allowed
  • Members may use mock trading or simulated environment to meet SEBI regulatory requirements (SEBI/HO/MRD1/DSAP/CIR/P/2020/234)

Important Dates

  • October 03, 2025, 18:00 hrs: NEAT+ 7.8.4 available for download
  • October 04, 2025: Mock trading session
    • 11:15-14:00 hrs: Primary site trading (contingency 12:45-14:00 hrs)
    • 15:00-16:00 hrs: DR site trading
    • 16:10 hrs: Trade modification end time
    • 18:00-18:30 hrs: Live re-login session
  • November 01, 2025: NEAT+ 7.8.3 discontinuation date (mock)

Impact Assessment

Operational Impact: Members must ensure timely migration to NEAT+ 7.8.4 and new broadcast parameters. The mock session provides critical testing opportunity for disaster recovery procedures and system compatibility. Members using NNF connections face mandatory migration from existing broadcast parameters.

System Impact: Connect2NSE and Extranet services will be unavailable during specified periods, affecting member access to exchange systems. All outstanding orders will be cleared before each session.

Financial Impact: No financial obligations from mock trading - no fund pay-in or pay-out will result from trades executed during the session.

Impact Justification

Routine mock trading session with software upgrade affecting F&O members' trading systems and requiring migration to new NEAT+ version