What is a market order?

A market order is executed at the current market price as quickly as possible when a user places the order.
When placing a market order, you can select [Amount] or [Total] to buy or sell.
For example, [Amount] is recommended when you want to buy or sell BTC with a certain quantity. However, if you wish to buy BTC with a certain amount of funds, such as 1000 USDT, placing a market order with [Total] is a better option.
In general, you can use both functions to place your buy and sell orders. However, when you place the order after the system calculates the amount you can get, the asset price might have changed significantly, and the assets you will receive might be slightly different than the calculated amount before the order is placed. Under some circumstances, the order would fail. This often occurs when the buy/sell ratio is close to or equal to 100%.
 

What is a limit order?

A limit order is an order you place on the order book with a specific limit price. It will only be executed if the market price reaches your limit price (or better). You may use limit orders to buy an asset at a lower price or sell at a higher price than the current market price.