How much margin is required to open a long position of 3 lots on EURUSD, a long position of 5 lots on GBPUSD and a long position of 5 lots on USDJPY using dynamic leverage?
Consider a USD trading account
EURUSD price 1.07213
GBPUSD price 1.24696
USDJPY price 147.239
Contract size 100000
3 lots EURUSD with 1:2000 Leverage (Tier 1) = 3*100000*1.07213/2000=$160.82
5 lots GBPUSD with 1:1000 Leverage (Tier 2) = 5*100000*1.24696/1000=$623.48
2 lots USDJPY with 1:1000 Leverage (Tier 2) = 2*100000/1000=$200
3 lots USDJPY with 1:500 Leverage (Tier 3) = 3*100000/500=$600
The margin required will be 160.82+623.48+200+600 =