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Margin

Collateral for positions

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What is Margin?

Margin Collateral required to hold certain positions. Naked option sellers need margin. Defined-risk strategies like spreads require less margin than naked positions.

Complete definition

Collateral required to hold certain positions. Naked option sellers need margin. Defined-risk strategies like spreads require less margin than naked positions.

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By Ryan Silk & Lawrence Polatchek Last reviewed . Methodology is published in full.

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