Key terms for option trading
- Call option: Gives you the right, but not the obligation, to buy an asset at a specific price by a certain date.
- Put option: Gives you the right, but not the obligation, to sell an asset at a specific price by a certain date.
- Strike price: Predetermined price at which an option can be exercised.
- Spot price (market price): Current buying or selling price of an asset.
- Options spread: A single transaction involving the execution of multiple contracts with different strike prices.
- Exercise. Using the option to buy or sell an underlying asset.
- Expiration date. Deadline for exercising an option, after which the option becomes worthless or is exercised by the holder (the underlying asset is bought or sold).
- Premium. Price paid for an option contract.
- At-the-money. When an option’s strike price equals the current market price of the underlying asset.
- In-the-money. When an underlying asset’s market price exceeds the call option’s strike price or is below the strike price of a put.
- Out-of-the-money. When an underlying asset’s market price is below the call option’s strike price or is above the put’s strike price.

