BSE notice 20260912-1 · 12 Sept 2026
Official title
Markets schedule (Mock) after switchover from PR to DR on 12th September 2026.
Official record
Open source pageSummary
Check the official recordBSE completes the switchover of trading systems from the primary location to the disaster recovery location on 12 September 2026. Trading commences at the disaster recovery site at 12:45 pm for Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and Electronic Gold Receipts segments. The exchange purges all outstanding orders from the primary site before trading starts at the disaster recovery site. Market participants must follow the specific session timings provided for each segment. The exchange requests members to provide feedback on the mock trading session by 7:00 pm on 12 September 2026.
What you must do
Key dates
| Notice No. | 20260912-1 |
|---|---|
| Notice Date | 12 Sep 2026 |
| Category | Trading |
| Segment | General |
| Department | Trading Operations |
| Subject | Markets schedule (Mock) after switchover from PR to DR on 12th September 2026. |
| Attachments | No Attachment |
In continuation of Notice Nos. 20260910-37,38,39,40 and 41 dated 10th September’ 2026 the Exchange has initiated switchover of trading systems from PR location to DR location today i.e., 12th September 2026. Trading would commence trading in pre-open session at DR location from 12.45 pm onwards for Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives and Electronic Gold Receipts (EGR) segment.
Given below is the schedule for DR Mock Trading Session Timings-
| TRADING SESSIONS EQUITY SEGMENT | FROM | TO |
|---|---|---|
| Pre-Open | ||
| Order Entry period both limit and market orders | 12.45 pm | 12.50 pm |
| Order Entry only for Limit Orders | 12.50 pm | 12.55 pm |
| Order Entry Matching/Confirmation Period | 12.55 pm | 12.57 pm |
| Buffer Period | 12.57 pm | 1.00 pm |
| Continuous TradingT+1 *# for (DR) | 1.00 pm | 2.45 pm |
| Continuous TradingT+0 *# for (DR) | 1.00 pm | 2.15 pm |
| Special Pre-Open for IPO & Re-listed scrips (DR) | ||
| Order Entry period | 12.45 pm | 1:30 pm^ |
| Matching period | 1:30 pm^ | 1:45 pm |
| Continuous Trading for SPOS Scrips (DR) | 1.15 pm | 2.45 pm |
| Periodic Call Auction (1 session of 1 hour) (DR) | 1.15 pm | 2.15 pm |
| Afternoon Block Deal Window | 2.15 pm | 2.30 pm |
| Auction for Settlement Details (DR) | ||
| Offer Entry and Matching period | 2:30 pm | 3:00 pm |
| Closing Auction | ||
| Continuous Trading session end & Reference price calculation (Transition from CTS to CAS) | 2.30 pm | 2.35 pm |
| Order Entry Period for both limit and market orders | 2.35 pm | 2.40 pm |
| Order entry period only for limit orders | 2.40 pm | 2.43 pm |
| Order Matching/Confirmation Period | 2.43 pm | 2.45 pm |
| Closing (for non-CAS securities) | 2.45 pm | 2.50 pm |
| Closing (Buffer Period for CAS securities) | 2.50 pm | 2.55 pm |
| Post- closing | 3:05 pm | 3.15 pm |
| Trade Modification T+1 | ------ | 3.25 pm |
| Trade Modification T+1 | ------ | 2.30 pm |
| TRADING SESSIONS EQUITY DERIVATIVES SEGMENT | FROM | TO |
|---|---|---|
| Switchover to DR | 12.00 pm | 12.45 pm |
| Pre-Open Session | ||
| Order Entry Period Both limit and market orders | 12.45 pm | 12.50 pm |
| Order Entry only for Limit Orders | 12.50 pm | 12.55 pm |
| Order Matching/Confirmation period | 12.55 pm | 12:57 pm |
| Buffer period | 12:57 pm | 1:00 pm |
| Continuous Trading (DR) | 1:00 pm | 2.55 pm |
| Update of future contract price bands for alignment with CAS in Equity Segment | 2.30 pm | 2.35 pm |
| Trade Modification | 3:25 pm | |
| TRADING SESSIONS CURRENCY DERIVATIVES | FROM | TO |
|---|---|---|
| Continuous Trading for Currency Derivatives (DR) | 12.45 pm | 2.45 pm |
| Continuous Trading for Cross Currency Derivatives (DR) | 12.45 pm | 2.45 pm |
| Trade Modification (Currency) | 3:00 pm | |
| Trade Modification (Cross Currency) | 3:00 pm |
| TRADING SESSIONS COMMODITY DERIVATIVES | FROM | TO |
|---|---|---|
| Continuous Trading (DR) | 1:45 pm | 2.45 pm |
| TRADING SESSIONS EGR | FROM | TO |
|---|---|---|
| Pre-Open (DR) | ||
| Order Entry period | 12.45 pm | 12.52 pm^ |
| Matching period | 12:53 pm | 1:00 pm |
| Continuous Trading | 1:00 pm | 2.45 pm |
| Closing | 2.45 pm | 2:55 pm |
Market participants note that all the outstanding orders at PR shall be purged before start of Trading from DR Site.
Feedback of Mock Trading Session
To be able to provide our members with a robust & efficient system for trading with better features, feedback from all members is very important. We solicit your active support and participation in this endeavor. We request all members to give their feedback for the mock trading session on the contact numbers/ email id provided below by 7:00 pm.
In case of any queries or clarifications, trading members may kindly get in touch with their respective Relationship Manager or contact either the BSE Helpdesk or the IML Info/ IML Tech Support team teams for any clarification/ queries on this circular –
| TWS users and IML users (third party empaneled vendors & in-house system developers) | |
|---|---|
| IML Tech Support | 022-22728053/8770; iml.techsupport@bseindia.com |
| Help Desk | 022-45720400/600 and 022-69158500; bsehelp@bseindia.com |
For and on behalf of BSE Ltd.,
| Ketan Jantre | |
| Head - Trading Operations | Sandeep Pujari |
| DVP – Trading Operations |
12th September 2026
Who is affected
If you do not comply