Account Window - Margin Requirements

This section shows your initial and maintenance margin requirements based on your current portfolio.

Parameter	Securities Account	Commodities Account
Reg T Margin	Initial margin requirements calculated under US Regulation T rules.	Initial margin requirements calculated under US Regulation T rules.
Current Initial Margin	Initial margin requirement in the base currency of the account. The initial margin requirement is what is required to open a new position.	Initial margin requirement in the base currency of the account. The initial margin requirement is what is required to open a new position.
Current Maintenance Margin	Maintenance margin requirement in the base currency of the account. This is the value required to maintain your current positions.	Maintenance margin requirement in the base currency of the account. This is the value required to maintain your current positions.
Look Ahead Initial Margin	Initial margin requirement as of next period's margin change in the base currency of the account.	Initial margin requirement as of next period's margin change in the base currency of the account. This value depends on when you are viewing your margin requirements. If it is 3:00 pm ET, the next calculation you're looking ahead to is after the close, or the Overnight Initial Margin (100%). If it's 3:00 am ET, the next calculation will be at the market's open (50%).
Look Ahead Maintenance Margin	Maintenance margin requirement as of next period's margin change in the base currency of the account.	Maintenance margin requirement as of next period's margin change in the base currency of the account. This value depends on when you are viewing your margin requirements. If it is 3:00 pm ET, the next calculation you're looking ahead to is after the close, or the Overnight Initial Margin (100%). If it's 3:00 am ET, the next calculation will be at the market's open (50%).
Overnight Initial Margin	Not applicable for securities.	Overnight initial margin requirement in the base currency of the account. The overnight calculation for futures is 100%.
Overnight Maintenance Margin	Not applicable for securities.	Overnight maintenance margin requirement in the base currency of the account. The overnight calculation for futures is 100%.