What Does Writing a Call Mean? Options and CTAs

“Writing a call” usually means selling a call option: you receive a premium in exchange for an obligation to sell an underlying asset at a specified price if the option is exercised. In marketing, however, someone may use the phrase informally to mean writing a call to action (CTA)—the words that invite you to take a next step, such as signing up or making a purchase.

If you write a call, the option buyer gets the right to buy the asset at the strike price before or at expiration, according to the option’s terms; you take on the corresponding obligation. A covered call is written while you own the underlying shares, whereas a naked call is written without owning them and can expose you to substantial, potentially unlimited loss if the asset’s price rises.

When our team talks about writing a call to action, we mean choosing clear language that tells you what you can do next and why that step is relevant. For example, “Get the guide” names a specific action, while “Click here” gives you less context; our How to Write a Call-to-Action That Actually Works ebook guide focuses on this copywriting meaning, not options trading.

Check the product’s listed specifications when evaluating what the phrase means in copywriting.

Look at the surrounding terms: “premium,” “strike price,” and “expiration” point to an options trade, while “button,” “headline,” and “conversion” point to marketing copy. If you’re making a financial decision, clarify whether the speaker means a covered or naked call before proceeding; if you’re drafting a CTA, identify the action you want readers to take and state it plainly.