HKD/AED: what to know
The HKD/AED rate shows how much AED you get for 1 HKD. Right now, 1 HKD buys 0.4683 AED at the mid-market rate. In the other direction, 1 AED is worth 2.1355 HKD.
In the short term HKD is driven mainly by its peg to the US dollar, while AED responds to its peg to the US dollar.
The Hong Kong Dollar (HKD) is issued by Hong Kong Monetary Authority. Most banknotes are issued by three commercial banks, not a central bank. The UAE Dirham (AED) is issued by Central Bank of the UAE. The dirham is pegged to the US dollar.
Use this mid-market figure as your benchmark: compare it with the rate your bank or broker quotes, and the difference is the margin you would pay.