Description
BSE has scheduled a mock trading session for the Equity segment on November 29th, 2025, allowing trading members to test their platforms and various market functionalities including call auctions, risk-reduction mode, and block deals.
Summary
BSE has scheduled a mock trading session for the Equity segment on Saturday, November 29th, 2025. This session is designed to allow trading members, including those using third-party trading platforms, to test their trading applications and various market functionalities. The mock session will simulate exceptional market conditions including call auction sessions, risk-reduction mode, trading halts, and block deals. There will be no new BOLT TWS release associated with this mock session.
Key Points
- Mock trading session scheduled for November 29th, 2025 (Saturday)
- Available for Equity segment only
- Third-party trading platform users can participate
- Opportunity to test various functionalities including exceptional market conditions
- No new BOLT TWS release
- Feedback requested from all members by 3:00 PM on the same day
- Multiple trading sessions including T+1, T+0, block deals, and call auctions will be simulated
Regulatory Changes
No regulatory changes. This is a routine mock trading session for testing purposes.
Compliance Requirements
- Trading members are encouraged to participate and test their systems
- Members must provide feedback by 3:00 PM on November 29th, 2025
- Contact BSE Helpdesk (022-45720400/600 & 022-69158500; bsehelp@bseindia.com) or BSE Tech Support (022-22728053; bse.tech@bseindia.com) for queries
Important Dates
- November 29th, 2025: Mock trading session for Equity segment
- 3:00 PM, November 29th, 2025: Deadline for feedback submission
Trading Session 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 | 01:00 PM |
| Continuous Trading T+0 | 10:15 AM | 12:30 PM |
| Special Pre-Open for IPO & Re-listed - Order Entry | 10:00 AM | 10:45 AM |
| Special Pre-Open for IPO & Re-listed - Matching | 10:45 AM | 11:00 AM |
| Continuous Trading for SPOS Scrips | 11:00 AM | 01:00 PM |
| Periodic Call Auction (2 sessions of 1 hour) | 10:30 AM | 12:30 PM |
| Auction for Settlement Details | 11:00 AM | 11:45 AM |
| Afternoon Block Deal Window | 12:30 PM | 12:45 PM |
| Closing | 01:00 PM | 01:10 PM |
| Post-closing | 01:10 PM | 01:20 PM |
| Trade Modification T+1 | - | 01:30 PM |
| Trade Modification T+0 | 12:45 PM | - |
Notes:
- Random stoppage of order entry in last 1 minute for Pre-Open & Periodic Call Auction
- Random stoppage of order entry in last 10 minutes for Special Pre-Open for IPO & Re-listed scrips
Impact Assessment
Market Impact: None - This is a mock trading session with no impact on live markets or actual trading.
Operational Impact: Low - Voluntary participation for trading members to test and validate their trading systems. Benefits include the ability to test various exceptional market scenarios in a controlled environment before they occur in live trading.
Member Impact: Positive - Provides trading members and third-party platform vendors an opportunity to ensure their systems function correctly under various market conditions, improving system reliability and preparedness for exceptional scenarios.
Impact Justification
Routine mock trading session for testing purposes only, no impact on live trading or market operations. Participation is voluntary for trading members to test their systems.