Order filled at the next available price Order filled within the maximum allowed slippage
Automatic execution even if the price differs from the asking price The trader can refuse execution if the price is different from the asking price
May be subject to slippage May be subject to requotes
Tight spreads Spreads are typically fixed and wider
Used by all types of brokers Used by market maker brokers
Suitable for large orders Large order will get numerous requotes
Preferred for fast trading Opportunity for fast trading is limited

It is clearly shown in the table above that Market type of execution offfers more benefits compared to the instant for the retail trader.

That is why we at SmartHub Ltd offer to our clients market execution on all instruments.