Understanding Options Trading: Calls and Puts Explained

A stock option is a contract that gives you the right — but not the obligation — to buy or sell a stock at a specific price (the strike price) before a specific date (the expiration date). Call options give you the right to buy, and put options give you the right to sell. When you buy a call, you are betting the stock will go up. When you buy a put, you are betting it will go down. The price you pay for this right is called the premium.

The key to understanding options is that they are leveraged instruments. A single options contract controls 100 shares of stock. If you buy a call option on AAPL with a strike price of $200 for a premium of $5.00, you are paying $500 (100 shares times $5) for the right to buy 100 shares of Apple at $200 each. If Apple rises to $220 before expiration, your option is worth at least $2,000 ($20 intrinsic value times 100 shares), a 300% return on your $500 investment. But if Apple stays below $200, your option expires worthless and you lose the entire $500.

This asymmetric risk profile is what makes options both powerful and dangerous. For retail investors, the most common and safest options strategies are buying protective puts to hedge existing stock positions (like insurance), and selling covered calls on stocks you already own to generate additional income. Avoid complex multi-leg strategies until you thoroughly understand the basics. Most importantly, never risk more on options than you can afford to lose completely — the leverage that amplifies gains also amplifies losses.