Margin

US Mutual Funds Margin Requirements


The following calculations apply only to Margin and Cash Accounts. See our Portfolio Margin page for US Mutual Funds requirements in a Portfolio Margin account.

FINRA and the NYSE 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 US securities.

The following table shows stock margin requirements for initial (at the time of trade) and maintenance (when holding positions).


Margin Account:
Initial Margin
Margin Account:
Maintenance Margin
Reg T End of Day Cash Accounts
Mutual Fund Long Position
First 30 days: 100% * Net Asset Value 100% * Net Asset Value 100% * Net Asset Value 100% * Net Asset Value
After 30 days: 25% * Net Asset Value 25% * Net Asset Value
50% * Net Asset Value 100% * Net Asset Value
Money Market Fund Long Position
1% * Net Asset Value 1
Cannot borrow against for 30 days (no debit balance)
1% * Net Asset Value1
Cannot borrow against for 30 days (no debit balance)
1% * Net Asset Value1
Cannot borrow against for 30 days (no debit balance)
100% * Net Asset Value
Short Positions
N/A N/A N/A
Disclosures
  1. High Yield Money Market Funds: 5% * Net Asset Value and cannot borrow against for 30 days (no debit balance)

  • Margin requirements quoted in US Dollars may also be satisfied with a Non-USDollar equivalent.
  • Mutual Funds market value is always included in Equity with Loan Value.
  • 30-day initial margin requirement does not apply to funds that are transferred from another broker (e.g. ACATs).
  • Net Asset Value is computed once per day at closing by the funds at which time your margin requirement and equity will be updated.
  • Due to regulatory restrictions, Interactive Brokers does not currently offer margin lending to natural persons who are residents of Australia.