January 18, 2024
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Trading session on 20-Jan and operations from Disaster Recovery site

This is to inform you that the Exchanges will be holding a special live trading session with switch-over from Primary Site (PR) to Disaster Recovery Site (DR) on Saturday 20-Jan-2024 in accordance with a SEBI Circular published earlier in 2019. 


You are requested to note that the Exchanges shall shift its operation from Primary Site (PR) to Disaster Recovery site (DR) on the timings given as per NSE and BSE in their circulars. This exercise is being conducted based on specific discussions with SEBI and their Technical Advisory Committee with a view to assess the preparedness of Market Infrastructure Institutions (MIIs)  to handle any unforeseen event impacting their operations and to restore operations from the DR Site.

Saturday Jan 20, 2024Time
Trading session 1
Morning block deal Window Session-1 open time08:45 hrs
Morning Block Deal Window Session-1 close time09:00 hrs
Pre-Open open time09:00 hrs
Pre-Open close time *09:08* hrs
Normal Market open time 09:15 hrs
Call Auction Illiquid session 1 open time 09:30 hrs
Call Auction Illiquid session 1 close time *09:45 hrs
Normal Market close time 10:00 hrs
Saturday Jan 20, 2024Time
Trading session 2
Pre-Open open time 11:15 hrs
Pre-Open close time *11:23 hrs
Normal Market open time11:30 hrs
Call Auction Illiquid session 2 open time11:45 hrs
Call Auction Illiquid session 2 close time *12:00 hrs
Normal Market close time12:30 hrs
Closing Session open time 12:40 hrs
Closing Session close time12:50 hrs
Trade Modification end time 13:00 hrs
*Random closure in last one minute

Please note the following w.r.t Angel One:

  • All AMO orders on Friday will be processed on Saturday first hour, instead of Monday. 
  • 9am to 10am there will be normal trading. There will be no activity between 10am and 11:15am. This is when the Exchanges will switch servers from the Primary Site (PR) to the Disaster Recovery Site (DR).
    1. Users will be unable to place any orders during this time. Any orders placed in this time will be responded with an error message.
    2. Any open orders from session 1 will be canceled before session 2.
    3. Due to a cutoff on the Exchange side, some of the users may see that their positions have been canceled between sessions and may affect the user’s P/L accordingly.
  • 11:15 am to 12:30 pm trading will resume as per normal markets again (pre-market + market), but from the DR site. 
  • Intraday product orders will not be allowed for the day.
  • Funds payout requests will not be processed on Saturday 20-Jan-2024
  • Margin shortfall square-off, will be done for the shortage cases 
  • F&O segment Physical Delivery Margins will be as per Monday (25%).
  • MTF pledge acceptance will be allowed upto 8:00 pm only.
  • All securities (including those on which derivative products are available) will have a maximum price band of 5%. Securities already in the 2% or lower price band, shall continue to be available in the respective bands.

    • Refer: BSE Circular | NSE Circular | Disaster Recovery FAQs 

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