Description

BSE announces mock trading session on Saturday, December 20, 2025 for the Equity Derivatives segment with DR site connectivity details for BOLT Plus trading system.

Summary

BSE has scheduled a mock trading session on Saturday, December 20, 2025, for the Equity Derivatives segment using the Disaster Recovery (DR) site of the BOLT Plus trading system. Trading members can connect through BOLT TWS, third-party trading applications, or in-house developed systems via ETI APIs. The circular provides detailed technical connection parameters for DR site connectivity.

Key Points

  • Mock trading session scheduled for Saturday, December 20, 2025
  • Applies to Equity Derivatives segment only
  • Trading members must use DR site connection parameters
  • Two connection methods available: BOLT TWS and ETI API-based applications
  • DR Primary IP: 10.255.241.16, Port: 15910
  • DR Secondary IP: 10.255.241.17, Port: 15910
  • Access to web-based systems (RTRMS, CLASS, Extranet, etc.) through specific DR URLs provided
  • Configuration changes required in trading applications to connect to DR environment

Technical Connection Details

BOLT TWS Users

  • Must change technical connection parameters in configuration settings window at login
  • Configuration settings accessible via scrip profile icon or “Shift+F12” shortcut keys

ETI API Users (3rd Party/In-house Applications)

  • Primary DR Connection: IP 10.255.241.16, Port 15910
  • Secondary DR Connection: IP 10.255.241.17, Port 15910

Web-Based Systems Access

Compliance Requirements

  • Trading members must update connection parameters in their trading systems before the mock trading session
  • Members using BOLT TWS should modify configuration settings at login
  • Members using ETI APIs must update IP and port settings in their trading applications
  • Members using online trade file application must change remote server IP and port settings in setting.ini file
  • DR Remote Server IP: 10.1.101.201, Port: 9001

Important Dates

  • Mock Trading Date: Saturday, December 20, 2025
  • Circular Issue Date: December 18, 2025

Impact Assessment

Market Impact

  • No impact on regular trading operations as this is a weekend mock session
  • Non-trading day activity for disaster recovery preparedness

Operational Impact

  • Trading members need to prepare and test DR connectivity before the session
  • Provides opportunity to validate disaster recovery systems and procedures
  • Ensures business continuity preparedness for Equity Derivatives segment
  • Routine system testing with minimal disruption to members

Impact Justification

Mock trading session for disaster recovery testing with no impact on regular trading operations; routine operational activity for system preparedness