NSE to align pre-open auction with closing auction session
Revised pre-open framework to take effect from September 7
Pre-open remains 9:00–9:15 am, but order process changes
Market and limit orders allowed only in first five minutes; Only limit orders allowed from 9:05-9:10 am
Order matching and opening price determination shift to 9:10-9:12 am
Market-market orders get first priority in pre-open matching
September 3, 2026 950 2
