Dictionary


Locked Limit
A market that, if not restricted, would seek price equilibrium outside the limit but, instead, moves to the limit and ceases to trade.
Long
Тhe state of actually owning a security, contract or commodity.

Maintenance or variation margin
An established value under which a trader's margin cannot fall. Reaching the maintenance margin triggers a margin call.
Margin
The amount paid by the customer when using a broker's credit to buy or sell a security.
Margin Account
An account with a brokerage firm that allows its clients to buy securities with money borrowed from the broker.