Current Initial Margin

CHECK YOUR CASH AVAILABLE FOR WITHDRAWAL

To ensure a Reg T margin account remains margin compliant a cash withdrawal request is limited to the lesser amount of either the current Available Funds or the amount of (Reg T Equity less Reg T Margin). In addition,…

Fields below relate to the Margin Requirements section of the Account window.

The minimum statutory margin requirement for long US stock in a Reg T margin account during the trading hours from 09:30 EST thru 16:00 EST is set to no less than 25% by Finra. At 15:50 EST the US Federal Reserve’s Reg T margin of 50% goes into effect. A Broker can set a margin requirement to any amount higher than the statutory minimum. For example, IBKR has a house margin that can be up to 500% for a short stock position. …

Market appreciation does add credit to a Reg T account's SMA. At the end of the regular trading day (normally 15:50 US/Eastern), there is a check for the amount of the Reg T Excess (Reg T Excess equals Reg T Equity less Reg T Margin). If the Reg T Excess of a margin account is greater than the previous end of day Reg T Excess then the account receives a credit and SMA and is set equal to the new amount of Reg T Excess. The change to SMA resulting from trades is effectively the change in Reg T Equity minus the change in Reg T Margin…