Market orders: These orders are routed directly to the exchange and executed at the best available price.
MOC (Market on Close Order): Allows the trader to buy or sell in the post market auction at a market close price.
MOO (Market on Open Order): Allows the trader to buy or sell in the market open auction at a market price.
Limit orders: A limit order allows you to set the maximum buy price you would pay and the minimum sell price you would accept. Limit orders are routed to the exchange and add liquidity to the books unless they are immediately executable.