What is the collateral requirement for a cash secured put?

A client maintaining a “Cash” type account is allowed to write, or sell, put options if the option contract is cash secured.  A cash secured option contract is one where the seller has deposited sufficient funds with the broker, which the broker then sets aside, to pay for the stock in full in the event the contract is assigned. The amount of cash required is generally equal to the option strike price multiplied by the 100 shares to be delivered at assignment (or other amount necessary to pay for the deliverable in full if the contract has been adjusted due to a corporate action).

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