margin call

English Thesaurus

1. a demand by a broker that a customer deposit enough to bring his margin up to the minimum requirement (noun.communication)

hypernym	:	demand,
definition	:	an urgent or peremptory request (noun.communication)

derivation	:	call, call in,
definition	:	demand payment of (a loan) (verb.possession)

derivation	:	call, call in,
definition	:	demand payment of (a loan) (verb.possession)