Option margin

Option margin
The margin requirement for options described in Regulation T and in brokers' individual policies.
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Option Margin
The cash or securities an investor must deposit in his account as collateral before writing options. Margin requirements vary by option type.

An option margining system used by some exchanges for exchange members and/or floor traders which equates the changes in option premiums with the changes in the price of the underlying futures contract to determine risk factors on which to base the ...

A person who has an option that has not been exercised.
Option margin
The margin requirement for options described in Regulation T and in brokers' individual policies.
Option mutual fund ...

option margin A margin requirement, as specified by Regulation T, that depends upon the type... option pool The shares set aside at a private firm for possible issuance to employees at a later date.

See also: Option series, Regulation T, Ordinary income, Odd lot, Operating cash flow