Definition of Strike Price
The strike price, also known as the exercise price, is a critical term in the options market. It refers to the set price at which the holder of an option can buy (in the case of a call option) or sell (in the case of a put option) the underlying security or asset. This price is determined at the time the option contract is written and remains constant throughout the life of the option.
Examples
Call Option Example: If an investor purchases a call option for Company XYZ with a strike price of $50, they have the right, but not the obligation, to buy shares of Company XYZ at $50, regardless of the current market price, until the option expires.
Put Option Example: Conversely, an investor holding a put option for shares of ABC Corp with a strike price of $25 can sell the shares at $25 even if the market price drops below that during the option’s validity period.
Frequently Asked Questions
What is the strike price in an option?
The strike price is the fixed price at which the owner of an options contract can either buy (call option) or sell (put option) the underlying asset.
How is the strike price determined?
The strike price is set by the options exchange when the contract is initially created and remains unchanged throughout the life of the option.
Can the strike price be adjusted?
In some cases, like corporate actions (e.g., stock splits, dividends), the strike price may be adjusted, but generally, it remains fixed.
What happens when the option’s expiration date is reached?
If the option expires in the money, it can be exercised at the strike price or sold; if it expires out of the money, it becomes worthless.
Why is the strike price important?
It determines whether an options contract will be exercised and affects the profitability of the trading strategy related to that option.
Related Terms with Definitions
- Call Option: A financial contract giving the buyer the right, but not the obligation, to purchase the underlying asset at the strike price before the option expires.
- Put Option: A financial contract giving the buyer the right, but not the obligation, to sell the underlying asset at the strike price before the option expires.
- Underlying Asset: The financial asset (such as stock, bond, commodity, etc.) which an option or derivative is based upon.
- Expiration Date: The date on which the option contract expires and is no longer valid.
- In the Money (ITM): An option that has intrinsic value, where a call option’s strike price is below, or a put option’s strike price is above, the current market price of the underlying asset.
Online Resources
Suggested Books for Further Studies
- “Options as a Strategic Investment” by Lawrence G. McMillan
- “Understanding Options” by Michael Sincere
- “Options Volatility Trading: Strategies for Profiting from Market Swings” by Adam Warner
Accounting Basics: “Strike Price” Fundamentals Quiz
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