An option is a contract tied to an underlying investment, usually a stock or ETF. It gives the buyer certain rights for a limited time, but those rights expire, and the contract can become completely worthless.
Options are complicated and risky. They’re not a beginner replacement for long-term investing basics.
Calls And Puts
A call option gives the buyer the right, but not the obligation, to buy the underlying investment at a specific price before or at expiration. Buyers of call options generally want the underlying price to rise.
A put option gives the buyer the right, but not the obligation, to sell the underlying investment at a specific price before or at expiration. Buyers of put options generally want the underlying price to fall, or use puts as insurance against a position they already own.
That specific price is called the strike price.
A concrete example: Say a stock trades at $100. You buy a call option with a $105 strike price expiring in 30 days. If the stock rises to $115 before expiration, you have the right to buy it at $105, worth $10 per share. If the stock stays at $100 or falls, the option expires worthless and you lose the premium you paid.
Expiration
Options expire. If the trade doesn’t work out before expiration, the option can become worthless.
This time pressure is one of the key differences between options and regular stocks or funds. A stock that drops doesn’t automatically become worthless over time. An option can go from valuable to $0 simply because the calendar ran out.
Most standard options contracts represent 100 shares of the underlying investment. Price movements in the underlying stock are amplified, a small move in the stock can mean a large percentage gain or loss on the option.
Premium
The premium is the price you pay for the option, what you pay to enter the contract. If the trade doesn’t work out, you can lose the entire premium.
The premium is affected by:
- Distance from current price to strike price: options closer to the current price cost more
- Time remaining: more time means more premium; options lose value as they approach expiration, a dynamic called “time decay”
- Volatility: more volatile stocks have pricier options because there’s a higher chance of a big move
Sellers of options collect the premium upfront, but can face different and sometimes much larger risks depending on the strategy. A seller of a “naked” call, one not covered by shares they already own, faces theoretically unlimited risk if the stock price skyrockets.
Why People Use Options
Options may be used to:
- Speculate on price movement: bet that a stock will move up or down within a set time
- Hedge an existing position: buy put options on a stock you own to limit downside losses, essentially buying insurance
- Generate income: sell covered call options on stocks you own to collect premium
- Build complex strategies: combine multiple options to create specific risk/reward profiles
The fact that options can be used for hedging doesn’t make every options trade safe. Most beginners encounter options through speculation, which is the highest-risk use case.
Why Options Are Risky
Options involve:
- Time pressure: the clock is always working against the buyer
- use: a small move in the underlying stock creates a large percentage change in the option’s value
- Complex pricing: understanding what an option is worth requires tracking multiple variables at once
- Rapid losses: an option can go from profitable to worthless in a single day
- Possible assignment for sellers: if you sell options, you can be forced to buy or sell shares at the strike price regardless of the current market price
- Strategy-specific risks: multi-leg strategies have risks that compound in ways that aren’t obvious
If you don’t understand exactly how a trade can lose money, don’t place it. Losses in options can happen faster and be more complete than most beginners expect. To see how this fits into the bigger picture, see What Is Investment Risk?.
Options vs Stocks: A Quick Comparison
| Stocks | Options | |
|---|---|---|
| What you own | Ownership stake in a company | A contract right, not ownership |
| Expiration | None, you can hold indefinitely | Expire on a set date |
| Max loss (buyer) | 100% of money invested | 100% of premium paid |
| use | No use by default | Yes, small moves become large % changes |
| Time decay | No time pressure | Time works against buyers constantly |
| Complexity | Low | High |
| Appropriate for | Most investors | Experienced investors who understand the risks |
A Safer Learning Rule
Before trading options with real money, make sure you know:
- What happens if the underlying price rises.
- What happens if it falls.
- What happens if it doesn’t move.
- What happens as expiration approaches.
- The maximum gain and maximum loss.
If any answer is unclear, the trade is too advanced.
Most people building long-term wealth start with brokerage accounts and broad index funds before ever getting near options.
Frequently Asked Questions
Q: Can you lose more than you invest with options?
As a buyer, no, you can lose 100% of what you paid for the option (the premium), but no more. As a seller, the situation is different. Selling certain options can expose you to losses far greater than the premium you collected, in some cases, theoretically unlimited losses.
Q: Are options a good way to make quick money?
Options are often framed that way, but most short-term options buyers lose money. Time decay, use, and the difficulty of predicting short-term price moves all stack against you. Sustained wealth-building is better served by consistent, long-term investing.
Q: Do I need to exercise an option to make money?
No. Most retail option traders never exercise their contracts. Instead, they sell the option itself before expiration, if the option gained value, they pocket the difference. Exercising (actually buying or selling the underlying shares) is one route, but selling the option contract is more common.
Q: What does it mean when an option is “in the money”?
An option is “in the money” when exercising it right now would be profitable. For a call option, that means the stock price is above the strike price. For a put, it means the stock price is below the strike price. An “out of the money” option has no intrinsic value, only time value remains.
Learn More
- Investor.gov: Introduction to Options
- SEC.gov: Investor Bulletin: An Introduction to Options