Stop Out level is a certain required margin level in %, at which a trading platform will start to automatically close trading positions (starting from the least profitable position and until the margin level requirement is met) in order to prevent further account losses into the negative territory.
Forex trading involves buying one currency while simultaneously selling another, primarily for the purpose of speculation. Currency values rise (appreciate) and fall (depreciate) against each other due to a variety of economic and geopolitical factors.
