A limit order allows traders to set a specific price, called the "order price." Unlike a market order, which executes immediately at the current market price, a limit order gives traders better control over the entry or exit price of their position. However, this control comes at the cost of execution certainty.
A limit order may execute immediately for the following reasons:
1. Buy/Long Orders: If the order price is set higher than the best ask price (the lowest price the seller is willing to accept).
2. Sell/Short Orders: If the order price is set lower than the best bid price (the highest price the buyer is willing to pay).
Example: Immediate Execution of a Limit Order
Consider this scenario: A trader sets a limit buy order at 69,000 USDT.
The system processes it as follows:
The best ask price in the current market is 68,713.99 USDT.
The system compares the limit order price (69,000) with the best ask price (68,713.99) based on the principle of buying low and selling high.
Since 69,000 is higher than 68,713.99, the system determines that the order can be executed at the lower price of 68,713.99 USDT.
The order will continue to execute at 68,713.99 until the contract quantity is filled or the price reaches 69,000, whichever comes first.
This mechanism ensures that traders get the best available price within the set limit, and if the order price is favorable compared to the current market price, it can execute immediately.