But initial margin will always be deducted from a customer's account and replaced once the trade is covered.

These are initial margins, and traders may be required to put up more cash whenever the volatile market moves against them.

The initial margin on the ST3 contract is 750.

There is a lower level of initial margin on straddle positions.

The Comex also lifted the initial margins on gold to cool speculation.

Historians estimate the initial margin against the Constitution as 3 or 4 to 1.

If a position involves an exchange-traded product, the amount or percentage of initial margin is set by the exchange concerned.

The initial margin for hedgers will be $15,000, the official said.

Several popular methods are used to compute initial margins.

The initial margin for gold hedgers and others in the trade was raised to $1,400 from $1,000.