29/07/2026
Everything you need to know about Closing Auction Session (CAS)
Important changes from August 3, 2026:
Following the introduction of the Closing Auction Session (CAS), market closing times will be as follows; there are no changes in market opening time.
Stocks trading in the F&O segment: Continuous trading will stop at 3:15 PM, followed by Closing Auction Session
All other stocks: Trading will close at 3:30 PM
Index and stock F&O contracts: Trading will close at 3:40 PM
If you are trading intraday using the MIS product type, note the auto square-off timings effective August 3, 2026:
Equity (stocks under CAS): 3:10 pm
Equity (stocks not under CAS): 3:25 pm
Index and stock F&O contracts: 3:25 pm
Open intraday positions are auto-squared-off by our system at/after the below-mentioned time for each segment:
Segments Auto square off time
Equity/Cash 3:25 PM
Equity/Index Derivatives 3:26 PM
Commodities 10 minutes before close