Trading options on margin allows you to leverage your existing capital to control larger positions, but it operates under much stricter rules than traditional stock margin. While you can borrow money to buy certain long-term options, most standard option purchases must be paid for in full.
While you often can't use margin to buy the options, you can sometimes use the value of your options as collateral to increase your overall account's Buying Power . The "Two Sides" of Margin Requirements
Collateral to ensure you can fulfill the obligation if assigned.