
Your stock option strike price is usually equal to the FMV of the company’s stock on the day the option is granted. It’s easy for public companies to determine their strike price: all they have to do is look at what the stock is currently trading at. That’s the price that people are willing to pay on the open market.
How to calculate strike price?
Strike prices range from less than the current stock price to greater than the stock price. In this example, assume the stock’s price is $30 and its options have strike prices ranging from $15 to $50 in $1 increments. Assume you’ll calculate an option with a $35 strike price.
What is an option's strike price?
Strike Price
- Understanding Strike Prices. Strike prices are used in derivatives (mainly options) trading. Derivatives are financial products whose value is based (derived) on the underlying asset, usually another financial instrument.
- Strike Price Example. Assume there are two option contracts. ...
- Frequently Asked Questions. What is a strike price? ...
How to find strike price?
Selecting a strike price and expiration date
- Possible objectives. ...
- Probability of being assigned. ...
- Need for a 2-part forecast. ...
- General comment on selecting a strike price. ...
- Selecting a strike price—if you want to sell the stock. ...
- Selecting a strike price—if you are willing to hold or sell the stock. ...
- General comment on selecting an expiration date. ...
How to calculate strike rate of a batsman?
- match 1 strike rate = (100/100)*100 = 100
- match 2 strike rate = (150/75)*100 =200
- match 3 strike rate = (50/100)*100 = 50
- strike rate in the series = (300/275)*100 = 109.09, approximately 109 is your strike rate.

What is the strike price of a stock option?
The strike price of an option is the price at which a put or call option can be exercised. It is also known as the exercise price. Picking the strike price is one of two key decisions (the other being time to expiration) an investor or trader must make when selecting a specific option.
What is strike price in options with example?
The strike price is the price at which you contract to buy or sell a particular stock. For example, if the stock of Hindustan Unilever is quoting at Rs. 1200, and if you are expecting a 5% increase in price, then you need to buy an HUVR call option with a strike price of 1220 or 1240.
What happens if a strike price hits before it expires?
When the strike price is reached, your contract is essentially worthless on the expiration date (since you can purchase the shares on the open market for that price). Prior to expiration, the long call will generally have value as the share price rises towards the strike price.
How is option price calculated?
The model's formula is derived by multiplying the stock price by the cumulative standard normal probability distribution function. Thereafter, the net present value (NPV) of the strike price multiplied by the cumulative standard normal distribution is subtracted from the resulting value of the previous calculation.
What happens when option hits strike price?
When the stock price equals the strike price, the option contract has zero intrinsic value and is at the money. Therefore, there is really no reason to exercise the contract when it can be bought in the market for the same price. The option contract is not exercised and expires worthless.
How does strike price affect option price?
The strike price determines whether an option has intrinsic value. An option's premium (intrinsic value plus time value) generally increases as the option becomes further in-the-money. It decreases as the option becomes more deeply out-of-the-money.
What happens when a call option goes above the strike price?
Call options are “in the money” when the stock price is above the strike price at expiration. The call owner can exercise the option, putting up cash to buy the stock at the strike price. Or the owner can simply sell the option at its fair market value to another buyer before it expires.
How does strike price affect profit?
In the case of a call option with stock as the underlying security, that means the stock's strike price is less than the stock's market price. This lets the investor buy at a discount and earn a profit when they sell the stock at the going rate.
What is strike price in stock options?
Stock option strike prices. Remember: stock options are the right to buy a set number of company shares at a fixed price, typically called a strike price, grant price, or exercise price. In this example, your stock option strike price is $1 per share. To come up with that $1 price, Meetly (our example company) had to determine its fair market value ...
Why doesn't the strike price change?
The strike price doesn’t change at all over time because it’s a fixed price. The yellow line is Meetly’s stock price (or FMV). Right now, those prices are the same. If you decide to exercise your options and buy your shares, you would have to pay $1 to get $1 in return.
What is FMV in stock options?
For private companies, FMV is essentially what the price would be if the stock were traded publicly on the open market. Your stock option strike price is usually equal to the FMV of the company’s stock on the day the option is granted.
What is the difference between FMV and strike price?
When the stock’s value increases, the difference between the FMV and your strike price is called “the spread .” This is the underlying value of the stock. When the spread is positive, your options are considered “in-the-money.”
What is stock dilution?
Stock dilution is when a company issues additional shares and subsequently reduces how much of the company you (and the other shareholders) own. It usually happens when a company raises money. When you received your options from Meetly, they had 5,000 shares outstanding.
What happens when a company offers you stock options?
When a company offers you stock options, the hope is you’ll be able to sell them for more than you paid for them. If you’ve ever wondered what determines these prices and how to figure out how much your options could be worth, we’ve got you covered. Here, we’ll cover:
What happens if you put your FMV down to $0.75?
Underwater stock options. Unfortunately, things don’t always go well for startups. If Meetly’s FMV goes down to $0.75, your spread becomes negative, and your options are “underwater.”. Since you would have to pay $1 to get $.75 in return, you decide not to exercise your options.
What factors determine the value of an option?
These include the current stock price, the intrinsic value, time to expiration or the time value, volatility, interest rates, and cash dividends paid.
What are the drivers of the price of an option?
Let's start with the primary drivers of the price of an option: current stock price, intrinsic value, time to expiration or time value, and volatility. The current stock price is fairly straightforward. The movement of the price of the stock up or down has a direct, though not equal, effect on the price of the option.
Why do I get a higher premium on an AMZN option?
On the one hand, the seller of an AMZN option can expect to receive a higher premium due to the volatile nature of the AMZN stock. Basically, when the market believes a stock will be very volatile, the time value of the option rises.
How does time value relate to options?
It is directly related to how much time an option has until it expires, as well as the volatility, or fluctuations, in the stock's price.
What is the most widely used model of options?
Of these, the Black-Scholes model is the most widely known. 1 In many ways, options are just like any other investment—you need to understand what determines their price to use them effectively. Other models are also commonly used, such as the binomial model and trinomial model .
How does time decay in an option?
The time component of an option decays exponentially. The actual derivation of the time value of an option is a fairly complex equation. As a general rule, an option will lose one-third of its value during the first half of its life and two-thirds during the second half of its life.
What is intrinsic value?
Basically, the intrinsic value is the amount by which the strike price of an option is profitable or in-the-money as compared to the stock's price in the market . If the strike price of the option is not profitable as compared to the price of the stock, the option is said to be out-of-the-money. If the strike price is equal to the stock's price in the market, the option is said to be "at-the-money."
What is strike price?
What is the Strike Price? The strike price is the price at which the holder of the option can exercise the option to buy or sell an underlying security, depending on whether they hold a call option. Call Option A call option, commonly referred to as a "call," is a form of a derivatives contract that gives the call option buyer the right, ...
What is option trading?
or put option. An option is a contract where the option buyer purchases the right to exercise the contract at a specific price, which is known as the strike price. Buying or selling options is a popular trading strategy. Options trading is not complex, but as with any other investment, having good information is important.
What happens to the seller of a put option if it expires?
The seller will profit from selling the option if the option expires out of the money, which in the case of a put option means the stock price remains higher than the strike price up to the date of the option’s expiration. CFI is a global provider of financial modeling and valuation courses and on a mission to help you advance your career.
How long are options good for?
Options are only good for a set period of time, after which the option expires. The buyer of the option can exercise the option at any time before the specified expiration date. If the call option expires “out-of-the-money,” that is, with the underlying stock price still below the option strike price, then the option seller will profit by ...
What does it mean to buy on margin?
Buying on Margin Margin trading or buying on margin means offering collateral, usually with your broker, to borrow funds to purchase securities. In stocks, this can also mean purchasing on margin by using a portion of profits on open positions in your portfolio to purchase additional stocks.
What is a long and short position?
Long and Short Positions In investing, long and short positions represent directional bets by investors that a security will either go up (when long) or down (when short). In the trading of assets, an investor can take two types of positions: long and short. An investor can either buy an asset (going long), or sell it (going short).
Is option trading complex?
Options trading is not complex, but as with any other investment, having good information is important. In the image below, we can see the strike price for a call option, which confers the right to buy at the strike price and the break-even point where the option seller starts losing money.
What is strike price?
The strike price of an option is the price at which the contract can be exercised. The strike price of a stock and an index option is fixed in the contract. Depending on the amount of premium you want to spend, you may want to set the strike price higher or lower.
How much to strike for ABC call options?
Since you want to purchase at the money call options, you would set a strike price of $20. This indicates that if the stock stays above $20 before the expiration date of your call options, you could exercise your options and buy shares of ABC for $20.
Can you buy call options with a higher strike price?
Generally, if you are buying call options, a higher strike price results in a cheaper option and vice versa for put options. Setting a strike price depends on the amount of risk you want to take and how much you are willing to spend on purchasing the options. If you buy or hold a call option, you have the right to purchase stock shares at ...
What is strike price in options?
The strike price of a call or put option is established when a contract is written, and it is one o the determining factors of the option price. The strike price is also the price that determines whether an option is in-the-money, or out-of-the-money.
What is strike price?
The strike price of an option is the price at which you can buy or sell the underlying stock. Both Call and put options can be bought and sold at a specified strike price. Strike price may also be referred to as the exercise price because it is the set price that you can buy or sell at when exercising a derivative contract. ...
How is the value of an option determined?
The value of an option is determined by the difference between the stock price and the strike price, the duration of the options, the market volatility, the implied volatility of the underlying security, etc.
Does a call option have intrinsic value?
When buying a call option, if the underlying stock price is below the strike price, the option does not have intrinsic value. When the underlying stock price I above the strike price, the option has intrinsic value (when long a call option). However, as stated previously, the value of an option can change based on volatility and days to expiration.
Can you use Greeks to calculate strike price?
There is not a magic strike price formula to calculate the perfect strike price. Some options traders prefer to use Greeks as a tool to determine an optimal strike price. Greeks can help measure how various factors will impact the price of an option. The mathematical calculations consider volatility, time to expiration, and a few other factors.
Is it safe to sell put options?
In general, I believe that selling out-of-the-money options is the best trading strategy. To earn a consistent profit by trading options it is important to mitigate your risk. In my opinion, selling put options is the best and safest options trading strategy to earn a profit. When choosing a strike price you must consider your risk tolerance ...

Strike Price and Dilution
Stock Option Strike Prices
- Remember: stock options are the right to buy a set number of company shares at a fixed price, typically called a strike price, grant price, or exercise price. In this example, your stock option strike price is $1 per share. To come up with that $1 price, Meetly (our example company) had to determine its fair market value (FMV). For private companie...
How Stock Options Gain Value
- “At-the-money” stock options In the graph above, the blue line represents your strike price. The strike price doesn’t change at all over time because it’s a fixed price. The yellow line is Meetly’s stock price (or FMV). Right now, those prices are the same. If you decide to exercise your options and buy your shares, you would have to pay $1 to get $1 in return. In this situation, your options …
Stock Dilution
- Stock dilutionis when a company issues additional shares and subsequently reduces how much of the company you (and the other shareholders) own. It usually happens when a company raises money. When you received your options from Meetly, they had 5,000 shares outstanding. In other words, they’ve issued 5,000 shares in total to all of their shareholders. This means your 100 shar…
Option Pricing Models
The Black-Scholes Formula
- The Black-Scholes model is perhaps the best-known options pricing method. The model's formula is derived by multiplying the stock price by the cumulative standard normal probability distribution function. Thereafter, the net present value (NPV) of the strike price multiplied by the cumulative standard normal distributionis subtracted from the resul...
Intrinsic Value
- Intrinsic value is the value any given option would have if it were exercised today. Basically, the intrinsic value is the amount by which the strike price of an option is profitable or in-the-money as compared to the stock's price in the market. If the strike price of the option is not profitable as compared to the price of the stock, the option is said to be out-of-the-money. If the strike price i…
Time Value
- Since options contracts have a finite amount of time before they expire, the amount of time remaining has a monetary value associated with it—called time value. It is directly related to how much time an option has until it expires, as well as the volatility, or fluctuations, in the stock's price. The more time an option has until it expires, the greater the chance it will end up in the mo…
Volatility
- An option's time value is also highly dependent on the volatility the market expects the stock to display up to expiration. Typically, stocks with high volatility have a higher probability for the option to be profitable or in-the-money by expiry. As a result, the time value—as a component of the option's premium—is typically higher to compensate for the increased chance that the stock'…
Examples of How Options Are Priced
- Below, you can see the GE example already discussed. It shows the trading price of GE, several strike prices, and the intrinsic and time values for the call and put options. At the time of this writing, General Electric was considered a stock with low volatility and had a beta of 0.49 for this example. The table below contains the pricing for both calls and puts that are expiring in one mo…