• Day Order - Any order to buy or sell, which automatically expires if not executed on the day the order is placed.
• GTC (Good Till Cancelled) - Any order to buy or sell, which lasts until the order is completed or cancelled by the user. The order automatically gets expired on expiry day of the contract. 
• GTD (Good Till Date) - GTD orders are cancelled at the close of the market on the specified day (expiration day).
• IOC (Immediate or Cancel) - An order requiring that all or part of the order be executed immediately after it has been brought to the market. Any portions not executed immediately are cancelled. 
• AON (All or None) - The AON order works to safeguard your purchase by providing the guarantee that you either receive full quantity that you requested or none at all. If full quantity is not available, the order gets expired.

b. Order type  based on price

• Market Order - buy or sell immediately at the best available counter price
• Limit order - an order to buy or sell at a specific price
• Stop Order - A stop order is a market order that will remain unelected (without entering the order book) until the stop price is reached. Once elected, it will be treated similar to a regular market order
• Stop Limit Order - A stop limit order is a limit order that will remain unelected (without entering the order book) until the stop price is reached.  Once elected, a stop limit order will be treated similar to a regular limit order