Algorithmic Trading can be a complex subject. Keep your knowledge current with this glossary of key concepts, terminology, and technical indicators.
The amount in a margin account that is owed to the broker, minus profits on short sales and balances in a special miscellaneous account (SMA). The adjusted debit balance aids an investor in knowing how much he/she owes in the event of a margin call. Under Regulation T, one can borrow up to 50% of the purchase price of securities on margin.