Most brokers and regulators, including FINRA, consider standard options to be non-marginable . This means you must pay 100% of the option premium in cash at the time of purchase.
Also typically 75% of the current market value. The Role of Margin in Options Trading can i buy options on margin
In options trading, margin usually acts as collateral to ensure you can fulfill obligations (like when selling naked options), rather than as a loan to increase your buying power for purchases. The Role of Margin in Options Trading In
Buying options on margin is a nuanced topic because "buying" and "selling" (writing) options follow different regulatory and brokerage rules. While you can typically use a to trade options, the ability to use borrowed funds to purchase them is strictly limited. Can You Buy Options on Margin? Can You Buy Options on Margin
While you can't borrow to buy the options themselves, a margin account allows you to use the equity in your stocks as collateral to free up cash for option purchases. Key Risks to Consider Can You Buy Options on Margin? | Blog - Option Samurai