Margin

U.S. Stocks Margin


The following table lists margin calculations for Reg T Margin, Cash and Reg T Margin - IRA Accounts. See our Portfolio Margin page for U.S. Stock requirements in a Portfolio Margin account. The NYSE and FINRA have imposed rules to limit small investor day trading. Customers that these organizations classify as Pattern Day Traders are subject to special Day Trading Restrictions for U.S. securities.

The following table shows stock margin requirements for initial (at the time of trade), maintenance (when holding positions), and Overnight Reg T (Regulatory End of Day Requirement) time periods.


Click on a link below to learn more:



Long Position

Reg T Margin
IB Initial Margin 25% 1 * Stock Value
Maintenance Margin Same as Initial
Reg T End of Day Initial Margin 50% 2 * Stock Value
Cash or IRA-Cash 100% * Stock Value
IRA-Reg T Margin Same as Cash


Short Positions

Reg T Margin
IB Initial Margin 30% 3 * Stock Value
Maintenance Margin 30% * Stock Value if Stock Value > $16.67
$5.00 if Stock Value < $16.67 and > $5.00
100% * Stock Value if Stock Value < $5.00
$2.50 if Stock Value <= $2.50
Reg T End of Day Initial Margin Same as Reg T End of Day for Long Positions.
Cash or IRA - Cash N/A
IRA - Reg T Margin Same as Cash


Non-Marginable Long or Short Positions

Reg T Margin
IB Initial Margin 100% * Stock Value
Maintenance Margin Same as Initial.
Reg T End of Day Initial Margin Same as Initial.
Cash, Individual or IRA Same as Initial, Only Long Positions
IRA - Reg T Margin N/A

Click here to learn more about our Reg T End of Day margin calculations.



Disclosures
  1. For Leveraged ETFs, Minimum(25% * Leverage Factor, 100%)
  2. For Leveraged ETFs, Minimum(50% * Leverage Factor, 100%)
  3. For Leveraged ETFs, Minimum(30% * Leverage Factor, 100%)
  • All Margin accounts must have a minimum of USD 2,000 to trade on margin.
  • Margin requirements quoted in U.S. dollars may also be satisfied with a Non-U.S. Dollar equivalent.
  • IB has additional algorithms which increase the nominal margin for positions that represent a >1% holding of an individual company's shares outstanding, with full margin required for concentrations of >= 9% of a company's shares outstanding (For ETFs, full margin is required for concentrations of >= 5%). Investors should be prepared to meet the increased margin, where holdings are above 1% threshold.