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Covered Calls 101: Basics, Risks, and Simple Example

A foundational overview of covered calls: how they pair existing shares with a short call, when the strategy can be a fit, the main risks, and a straightforward numeric example to anchor the mechanics.

What is a covered call?

A covered call pairs shares you already own with a short call option on the same symbol to collect option premium for income.

When it’s a fit

Own ≥100 shares per symbol
Income focus with willingness to cap some upside
Sideways to modestly up market outlook

Key risks

Upside is capped above the strike price
Assignment risk if price is at or above the strike at expiration
Early assignment risk near ex‑dividend dates
Borrow/liquidity constraints can affect pricing and execution

Simple numerical example

Own 100 XYZ at $50; sell 55C for $120
If XYZ ≤ 55 at expiration: keep shares and keep the $120 premium
If XYZ ≥ 55 at expiration: shares called away at $55; gain from 50→55 plus $120 premium
Breakeven ≈ $48.80 (($50 × 100) − $120)

Mini glossary

Premium — cash received for selling the option
Strike — the price where shares may be sold if assigned
Expiration — date when the option expires
Assignment — shares are called away at the strike

Tax considerations and further reading

Tax treatment depends on your situation and jurisdiction and may change. This is not tax advice; consult a qualified tax professional.

Learn more: Selection & Pricing • Opening • Closing • Rolling • Covered Call Life Cycle examples

Disclaimer

This post is educational and does not constitute investment advice. Options trading involves significant risk, including the possibility of losing the entire value of a position. Past performance is not indicative of future results. See Legal and consult a qualified financial professional before trading.