Know in detail the initial margin and minimum margin requirement of a broker before entering into a trade. (adigitalblogger.com)
So, as a scalper from here I am able to scalp at any major pair including lowest trading spreads as well as minimum margin requirements. (fxempire.com)
In the case of day trading stocks, the SEC (Securities and Exchange Commission) has set a $ 25,000 minimum margin requirement for a «pattern day trader.» (investorjunkie.com)