Description
BSE announces mock trading session for Equity segment on Saturday, January 03, 2026. Members can participate to fulfill regulatory testing requirements and test trading applications.
Summary
BSE has scheduled a mock trading session for the Equity segment on Saturday, January 03, 2026. Trading members can participate to fulfill regulatory requirements under SEBI circular SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020. Members may choose between the mock trading session or UAT environment for testing. There will be no new BOLT TWS release. Members using third-party platforms can test various functionalities including exceptional market conditions.
Key Points
- Mock trading session scheduled for Saturday, January 03, 2026
- No new BOLT TWS software release
- Members can choose between mock trading or UAT environment for regulatory compliance
- Third-party trading platform users can test various functionalities
- Testing covers call auction sessions, risk-reduction mode, trading halt, block deals, and other features
- Feedback must be submitted by 4:30 PM on the same day
Regulatory Changes
No regulatory changes. This circular provides an opportunity for members to comply with existing SEBI requirements under circular no. SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020 regarding testing of trading and risk management software.
Compliance Requirements
- Trading members should refer to Exchange Notice No. 20201201-22 dated December 1, 2020 regarding testing of software used in trading and risk management
- Members must fulfill regulatory requirements for software testing as per SEBI circular dated November 24, 2020
- Feedback for the mock trading session should be submitted by 4:30 PM on January 03, 2026
Important Dates
- January 03, 2026: Mock trading session date
- Feedback deadline: 4:30 PM on January 03, 2026
Mock Trading Session Timings
| Trading Session | From | To |
|---|---|---|
| Log-in | 10:15 AM | 10:45 AM |
| Morning Block Deal Window | 10:45 AM | 11:00 AM |
| Pre-Open | ||
| - Order Entry period | 11:00 AM | 11:08 AM |
| - Matching period | 11:08 AM | 11:15 AM |
| Continuous Trading T+1 | 11:15 AM | 03:30 PM |
| Continuous Trading T+0 | 11:15 AM | 01:30 PM |
| Special Pre-Open for IPO & Re-listed scrips | ||
| - Order Entry period | 11:00 AM | 11:45 AM |
| - Matching period | 11:45 AM | 12:00 PM |
| Continuous Trading for SPOS Scrips | 12:00 PM | 03:30 PM |
| Periodic Call Auction (4 sessions of 1 hour) | 11:30 AM | 03:30 PM |
| Auction for Settlement Details | ||
| - Offer Entry and Matching period | 12:00 PM | 12:45 PM |
| Afternoon Block Deal Window | 01:30 PM | 01:45 PM |
| Closing | 03:30 PM | 03:40 PM |
| Post-closing | 03:40 PM | 03:50 PM |
| Trade Modification T+1 | - | 04:00 PM |
| Trade Modification T+0 | - | 01:45 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 actual market transactions.
Operational Impact: Low. Voluntary participation by trading members for testing purposes. Provides opportunity to test trading platforms and ensure readiness for exceptional market conditions. Members using third-party platforms can validate system functionality in a controlled environment.
Contact Information
For queries or feedback:
- BSE Tech Support (TWS users, third party vendors, in-house developers): 022-22728053, bse.tech@bseindia.com
- Help Desk: 022-45720400/600 & 022-69158500, bsehelp@bseindia.com
- Relationship Manager: Contact your respective relationship manager
Issued by: Ketan Jantre (Head - Trading Operations) and Sandeep Pujari (DVP – Trading Operations)
Notice Number: 20260102-3
Notice Date: January 02, 2026
Impact Justification
Routine mock trading session for testing purposes with no market impact. No new software release. Members can voluntarily participate to fulfill regulatory testing requirements.