Definitions for "Buy on opening"
An instruction to your broker to buy at the opening of the market within a certain range.
Buying a security at the beginning of the trading session at a price within the opening range.
Buying a stock or bond at the beginning of a trading session at a price within the opening range.
Keywords:  limit, order, opening, purchase, market
Is an order to make a purchase on the opening. It can be a market or limit order.