Description

NSE will conduct a mock trading session in the Currency Derivatives Segment on May 09, 2026, with two trading sessions from Primary Site and DR Site. No new NEAT version release; members should use NEAT 3.5.4.

Summary

NSE is conducting a mock trading session in the Currency Derivatives Segment on Saturday, May 09, 2026. The session includes two parts: Trading Session-1 from the Primary Site and Trading Session-2 from the Disaster Recovery (DR) Site. No new NEAT version is being released; members should continue using NEAT 3.5.4.

Key Points

  • Mock trading date: Saturday, May 09, 2026
  • No new NEAT version release; use NEAT version 3.5.4 (download path: /cdsftp/cdscommon/NEATCDS354)
  • NEAT Adapter version 1.0.27 (Windows and Linux) with GR PORT 10879
  • Two trading sessions: Session-1 from Primary Site, Session-2 from DR Site
  • All outstanding orders will be cleared before each session
  • Trades during mock session carry no financial obligation (no fund pay-in or pay-out)
  • UCC validation will be skipped during contingency time for order entry
  • Members should re-login to live environment post-session for smooth connectivity on Monday, May 11, 2026

Regulatory Changes

No regulatory changes. This circular continues the mock trading schedule established in circular (download no. 71999) dated December 24, 2025.

Compliance Requirements

  • Members must use NEAT 3.5.4 with NEAT Adapter version 1.0.27
  • Members using NNF software must manually clear outstanding orders in their systems before each session
  • Only valid and compliant UCC/PAN uploaded and approved before cutoff will be allowed
  • Members may use Mock Trading or Simulated Environment to meet regulatory requirements per SEBI circular SEBI/HO/MRD1/DSAP/CIR/P/2020/234
  • Connect2NSE and Extranet will be unavailable from 1:00 pm to 10:00 pm
  • Extranet API unavailable from 1:15 pm–2:15 pm and 6:00 pm–10:00 pm

Important Dates

  • Mock Trading Date: May 09, 2026 (Saturday)
  • Session-1 Normal Market Open: 10:00
  • Session-1 Contingency Start: 12:00
  • Session-1 Contingency Close: 13:30
  • Session-1 Normal Market Close: 14:00
  • Session-2 (DR Site) Normal Market Open: 14:45
  • Session-2 Normal Market Close: 15:30
  • Trade Modification End: 15:40
  • Live Re-login Start: 17:30
  • Live Re-login Close: 18:00
  • Live Environment Connectivity Check: Monday, May 11, 2026

Impact Assessment

Minimal market impact. This is a routine operational mock session for Currency Derivatives Segment members to test connectivity and trading systems. No financial transactions or obligations arise from mock trades. The session helps ensure members are prepared for live trading operations and validates DR Site switchover procedures. Members should ensure participation across all trading software to confirm smooth connectivity for the following Monday.

Impact Justification

Routine mock trading session for Currency Derivatives Segment; no new software version, no regulatory changes, no financial obligations, affects only members participating in mock environment.