Fields below relate to the Margin Requirements section of the Account window.
| Margin | Securities Account | Commodities Account |
| Reg T | Initial margin requirements calculated under US Regulation T rules. | Not applicable |
| Current Initial | Initial margin requirement in the base currency of the account. This is the margin required to open a new position. | Initial margin requirement in the base currency of the account. This is the margin required to open a new position. |
| Post-Expiry Margin @Open | Provides a projected "at expiration" margin value based on the soon-to-expire contracts in your portfolio. Values only display at expiration, and are highlighted in red. Otherwise the value is "0". The projected value in this field includes the anticipated account value including the expiring contract. To see just the projected margin and excess liquidity value for the expiring contract, double click the entry. | Provides a projected "at expiration" margin value based on the soon-to-expire contracts in your portfolio. Values only display at expiration, and are highlighted in red. Otherwise the value is "0". The projected value in this field includes the anticipated account value including the expiring contract. To see just the projected margin and excess liquidity value for the expiring contract, double click the entry. |
| Current Maintenance | 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. |
| Projected Look-Ahead Initial | Projected 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 are looking ahead to is after the close, or the Overnight Initial Margin. If it is 3:00 am ET, the next calculation will be at the market's open. | Projected 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 are looking ahead to is after the close, or the Overnight Initial Margin. If it is 3:00 am ET, the next calculation will be at the market's open. |
| Projected Look-Ahead Maintenance | Projected 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 based on current margin requirements, which are subject to change. This value depends on when you are viewing your margin requirements. If it is 3:00 pm ET, the next calculation you are looking ahead to is after the close, or the Overnight Initial Margin. If it is 3:00 am ET, the next calculation will be at the market's open. |
| Project Overnight Initial | Projected overnight initial margin requirement in the base currency of the account. | Overnight initial margin requirement in the base currency of the account based on current margin requirements, which are subject to change. |
| Projected Overnight Maintenance | Projected overnight maintenance margin requirement in the base currency of the account. | Overnight maintenance margin requirement in the base currency of the account based on current margin requirements, which are subject to change. |