Option Margin: Definition, Requirements, How To Calculate

But with a Margin Requirement of 2%, only $2,000 (the “Required Margin“) of the trader’s funds would be required to open and maintain that $100,000 EUR/USD position. Depending on the currency pair and forex broker, the amount of margin required to open a position VARIES. FINRA’s Office of General Counsel (OGC) staff provides broker-dealers, attorneys, […]