Box

Box

The actual physical location at a brokerage house or bank where securities or other documents are stored for safekeeping. Alternatively, a quotation machine or battery march. Also known as 'the cage.'

Box

The physical location where a brokerage keeps securities being held as collateral on loans. Boxes are used for collateral on margin accounts and other transactions. A box is also called an open box. See also: Free box.

box

The physical location in which brokerage firms and banks place securities for safekeeping. See also free box, open box.