What you need to know about margin calls

Maintenance Call
DT Minimum Equity Call
Minimum Equity Call
Day Trade Call (DT)
Fed Call
Cash Call
Cash Substitution Call (Good Faith Violation)
Short Stock in Cash Account (S1)

Maintenance Calls, Fed Calls, Minimum Equity Calls, and Cash Calls are all subject to liquidation if they are not covered by the call’s due date. Liquidations by the margin department will incur a $25 broker assist fee.