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What Is “Initial Margin” in Derivatives Trading?

Initial margin is the collateral that a trader must post with the broker or clearing house before they can open a derivatives position. It is designed to cover the potential maximum loss that the position could incur over a short period, typically one or two days, with a high degree of confidence.

It acts as a performance bond to ensure the trader can cover potential losses.

How Do Options with a Defined Risk Profile Affect Margin?
How Does Collateralization (Margin) Work to Mitigate Counterparty Risk within a CCP Framework?
What Is the Maximum Holding Period for a Short-Term Capital Gain?
Does the Margin Requirement Ever Exceed the Potential Loss?