What kind of orders are executed during pre opening session?

Orders which are allowed

  • Limit Orders
  • Market Orders (ATO orders, At The Open)

These orders are collected when placed. But execution does not happen if it does not equals to the opening price/equilibrium price.

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Orders which are NOT allowed

  • IOC Immediate or cancel order
  • Disc. qty orders
  • Bracket orders
  • Basket orders
  • Cover Orders
  • Spread Orders
  • Any type of Multi-leg orders
  • Iceberg orders
  • Orders of value more than max allowed limit of NSE (10 crores in single order)
  • Orders with prices outside circuit limits