Description
BSE has scheduled a mock trading session for the Equity segment on April 25, 2026, covering various trading functionalities including call auction sessions, risk-reduction mode, and block deals.
Summary
BSE has scheduled a mock trading session for the Equity segment on Saturday, April 25, 2026. Trading members, including those using third-party trading platforms, are encouraged to use this session to test their trading applications across various functionalities such as call auction sessions, risk-reduction mode, trading halts, and block deals. There will be no new BOLT TWS release in connection with this session.
Key Points
- Mock trading session scheduled for Equity segment on Saturday, April 25, 2026
- No new BOLT TWS release associated with this session
- Third-party platform users can test functionalities including exceptional market conditions
- Indicative Close Values for BSE FOCUSED IT, BSE FOCUSED MIDCAP, and BSE SENSEX NEXT 30 indices (along with BSE SENSEX and BSE BANKEX) will be disseminated from 1:30 PM to 3:00 PM as per circular 20260420-33
- Members are requested to submit feedback by 4:00 PM on the day of the mock session
Regulatory Changes
As per circular no. 20260420-33 dated April 20, 2026, enhancements in Online Dissemination of Indices will be available for testing during this mock trading session.
Compliance Requirements
- Trading members are encouraged (not mandated) to participate and test their trading systems
- Members should submit feedback to BSE via the provided contact numbers or email by 4:00 PM on April 25, 2026
- Contact for TWS/tech queries: BSE Tech Support at 022-22728053 or bse.tech@bseindia.com
- General helpdesk: 022-45720400/600 & 022-69158500 or bsehelp@bseindia.com
Important Dates
- April 25, 2026 (Saturday): Mock trading session for Equity segment
- April 25, 2026, 4:00 PM: Deadline for submitting member feedback on the mock session
Trading Schedule
| Session | From | To |
|---|---|---|
| Log-in | 09:15 AM | 09:45 AM |
| Morning Block Deal Window | 09:45 AM | 10:00 AM |
| Pre-Open – Order Entry | 10:00 AM | 10:08 AM* |
| Pre-Open – Matching | 10:08 AM | 10:15 AM |
| Continuous Trading T+1 | 10:15 AM | 03:00 PM |
| Continuous Trading T+0 | 10:15 AM | 01:30 PM |
| Special Pre-Open (IPO/Re-listed) – Order Entry | 10:00 AM | 10:45 AM* |
| Special Pre-Open (IPO/Re-listed) – Matching | 10:45 AM | 11:00 AM |
| Continuous Trading for SPOS Scrips | 11:00 AM | 03:00 PM |
| Periodic Call Auction (4 sessions of 1 hour) | 10:30 AM | 02:30 PM |
| Auction for Settlement – Offer Entry & Matching | 11:00 AM | 11:45 AM |
| Afternoon Block Deal Window | 12:30 PM | 12:45 PM |
| Closing | 03:00 PM | 03:10 PM |
| Post-Closing | 03:10 PM | 03:20 PM |
| Trade Modification T+1 | – | 03:30 PM |
| Trade Modification T+0 | – | 01:45 PM |
*Random stoppage of order entry in the last 1 minute for Pre-Open & Periodic Call Auction; last 10 minutes for Special Pre-Open (IPO/Re-listed scrips).
Impact Assessment
This is a routine operational mock session with no direct market impact. It is relevant only to trading members and technology vendors who wish to validate their systems ahead of live trading. No actual trades are executed. The testing of index dissemination enhancements (per circular 20260420-33) may be of interest to members relying on real-time index data feeds.
Impact Justification
Routine mock trading session for system testing purposes only; no real trades are executed and there is no new BOLT TWS release. Relevant primarily to trading members using third-party platforms who wish to test their systems.