How much is the premium on the CMAshield?
The premium to insure each trade is a small percentage of the trade size cost. It varies between instruments and you can see all premiums on the platform for each instrument (provided you are on VIP Black).

Above is from the MT4/5 platform. The 5.1 is the insurance premium per standard lot in pips. Since 1 pip value is USD10, if you open a Sell order, the premium will be USD51 and if you open a Buy order, the premium will be USD51.
Note:CMAshield is not offered on all currency pairs.