N Net Exposure The sum of the nominal value of your current positions converted into the base currency of your account.For Forex, this is the total value of all your Forex positions converted to the base currency of your account. Non-margin position The current market value of any securities (for example, equities, bonds, and so on) held as collateral for margin requirements. The market value is calculated using the bid price. Not available as margin collateral A percentage of your current investments that is not available as margin collateral. This line states the amount that is not available as margin collateral.