Instant Execution (Instant execution of orders).
With a fast-moving trend, it is quite important how quickly your order is opened; sometimes a delay of just a couple of seconds can cost quite a significant part of the profit. It is for this reason that it is so important that orders in the trading terminal are executed as quickly as possible. In practice, there are two options for executing orders: Instant Execution and Market Execution.
Instant Execution – also called instant or precise execution of orders; the second definition of this term is more correct.
Instant execution speeds can vary widely, depending on the broker you're working with and the current market situation.
The main reason this term is considered the fastest way to open trades is that, according to the trading conditions, this order processing option requires the trade to be executed exactly at the order price. However, with a fast trend, this is simply impossible, and the trader will be refused entry to the position, a so-called requote . Re-entering the market is therefore required to open the order.
Requotes are especially common when trading with four-digit currency quotes, so before choosing one execution option over another, first test it on mini accounts with the company.
Due to frequent requotes, market execution is sometimes preferable to Instant Execution. It's worth noting that the name itself rarely influences actual speed, as you can see by comparing the trading conditions of some Forex brokers for individual accounts.
When it comes to the advantages of these types of accounts, I would like to point out that such accounts almost always have a fixed spread , which is quite convenient when trading using certain Forex strategies.
In addition, the broker is obliged to guarantee a complete absence of slippage when trading on Instant Execution accounts. This means that if you submit a request to open a new order at a price of 1.3545, it must be executed at this price, or, if this is not possible, a request for consent to execute at a new price must be received.

