Summary
The National Stock Exchange (NSE) is changing the rules for its equity market pre-open session starting today, September 7, while maintaining the 15-minute window. The order-entry window from 9 am to 9:10 am will now be split, allowing only market and limit orders in the first five minutes (9 am to 9:05 am) and only limit orders from 9:05 am to 9:10 am.