What Is Options Trading? Options Explained Simply
Options trading is buying and selling contracts that give you the right, but not the obligation, to buy or sell a stock at a fixed price before a set date. You pay a small fee (the premium) for that right, so you can profit from a price move while knowing your maximum cost up front.
What are options?
An option is a contract tied to an underlying asset, usually a stock or ETF. Each standard US stock option covers 100 shares. Every option has three key parts:
- Strike price: the price you can buy or sell at.
- Expiration date: the last day the contract is valid.
- Premium: what the buyer pays the seller, quoted per share.
Think of it like a deposit on a house: you pay a little now to lock in a price, and you can walk away later, losing only the deposit.
Calls vs puts
Call option
The right to buy at the strike. Buyers usually expect the price to rise.
Put option
The right to sell at the strike. Buyers expect a fall, or want protection.
How options trading works: a worked example
A stock trades at $100. You buy one call with a $100 strike for a $3 premium, expiring in 30 days (hypothetical numbers).
- Cost: $3 × 100 shares = $300. This is your maximum loss.
- Breakeven at expiration: $100 + $3 = $103.
- If the stock ends at $110: the call is worth $10, so profit = ($10 − $3) × 100 = $700.
- If the stock ends at or below $100: the call expires worthless and you lose the $300.
Why people trade options
- Leverage with a known cost: control 100 shares for the price of the premium.
- Income: sell options, like a covered call, and collect premium.
- Protection: a protective put works like insurance on shares you own.
Risks to know first
- Options lose value as expiration approaches (time decay).
- A bought option can expire worthless, losing 100% of the premium.
- Selling uncovered options can lose far more than the premium received.
- Sellers can be assigned and must buy or sell the shares.
How to trade options in 5 steps
- Learn the vocabulary in the options glossary.
- Follow the free options trading for beginners path.
- Open a brokerage account and apply for options approval.
- Practise with paper trading and size each trade with the position size calculator.
- Start with one defined-risk strategy from the strategy library and know your max loss before entering.
Options trading FAQ
What are options?
Options are contracts that give the buyer the right, but not the obligation, to buy (call) or sell (put) an asset at a set price (the strike) before a set date (expiration). The buyer pays a price called the premium.
What is option trading?
Option trading is buying and selling these contracts. Traders use options to bet on price moves with a known maximum cost, to earn income by selling options, or to protect shares they already own.
Is options trading good for beginners?
Beginners can learn options, but they carry real risk and some strategies can lose more than you put in. Start with the basics, use paper trading, and stick to defined-risk trades while learning.
How much money do you need to trade options?
Buying one contract can cost anywhere from a few dollars to thousands, because the premium is multiplied by 100 shares. Many brokers have no minimum, but you need approval for options trading.
Are options riskier than stocks?
Options can lose value faster than stocks because they expire. A bought option can go to zero; some sold options carry large or unlimited risk. Defined-risk strategies cap the maximum loss in advance.
Prefer pictures? See the illustrated options guide, or check yourself with the free quiz.
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