option margin

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Option margin

The margin requirement for options described in Regulation T and in brokers' individual policies.

Option Margin

The initial margin or maintenance margin that an investor must deposit with a brokerage as collateral in order to purchase options with borrowed money. The option margin is set by Regulation T, but some brokerages have higher requirements.

option margin

The margin requirement to open and maintain an option position. Federal Reserve Regulation T sets minimum option margins, although individual brokerage firms may establish more strict requirements.
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Because lower volatility in natural gas prices impacts natural gas option margins, we have reduced estimated revenues for our natural gas option strategy.