Volume in the market depth error.

[Megashop]

i just compare marketdepth fxopen demo and dukascopy demo, why this happen ?
the price is almost same but the volume is very diferent???

can u explain about this?

i know fxopen ecn provider is dukascopy right?

here is the pict : http://postimage.org/image/2as26hrhg/full/

[FXOjafar]

FXOpen and Dukascopy are different. Dukascopy is just one of many liquidity providers that FXOpen connects to, not our only one so that would explain the difference
Also, demo liquidity is not the same as real liquidity because it is simulated.