Description

BSE has scheduled a mock trading session for the Equity Derivatives segment on Saturday, April 25, 2026, allowing trading members to test their systems and ETI API integrations.

Summary

BSE has scheduled a mock trading session for the Equity Derivatives segment on Saturday, April 25, 2026. The session is intended for trading members using third-party empaneled vendor platforms or in-house developed systems via ETI APIs to test their trading applications under various market conditions, including exceptional scenarios such as risk-reduction mode and trading halts.

Key Points

  • Mock trading session is scheduled for Saturday, April 25, 2026 for the Equity Derivatives segment
  • Open to trading members using third-party platforms (empaneled vendors) or in-house systems via ETI APIs
  • No new BOLT TWS release will accompany this session
  • Trades from mock trading carry no margin obligations, no pay-in/pay-out obligations, and create no rights or liabilities
  • Members are requested to submit feedback by 4:00 PM on the day of the session

Regulatory Changes

No regulatory changes. This is a routine operational notice for a system testing session.

Compliance Requirements

  • Trading members using ETI APIs (third-party or in-house) are encouraged to actively participate in the mock session
  • Members should provide feedback on the mock trading session to BSE via the contact details provided:
  • Feedback deadline: 4:00 PM on April 25, 2026

Important Dates

EventDate/Time
Mock Trading SessionSaturday, April 25, 2026
Log-in09:15 AM – 10:00 AM
Pre-Open Order Entry10:00 AM – 10:07/08 AM (random stoppage in last 1 min)
Buffer Period10:08 AM – 10:12 AM
Order Matching Period10:12 AM – 10:15 AM
Continuous Trading10:15 AM – 03:00 PM
Feedback Deadline4:00 PM, April 25, 2026

Impact Assessment

This is a low-impact, informational notice. The mock trading session has no financial consequences — trades do not result in margin calls, settlement obligations, or legal liabilities. The session is relevant only to trading members actively using ETI API-based systems (third-party or in-house) for the Equity Derivatives segment. Participation is voluntary but encouraged to ensure system readiness and robustness.

Impact Justification

Routine mock trading session for system testing purposes only; no margin obligations, no pay-in/pay-out, and no rights or liabilities are created. Relevant only to trading members using third-party or in-house ETI API systems.