Intrinsic Value Calculator

Calculate the intrinsic value of any option to determine how much it is in-the-money and decompose premium into intrinsic and extrinsic components.

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Written by Michael Torres, CFA
Senior Financial Analyst
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Fact-checked by Dr. James Wilson, PhD
Options Strategy Researcher
Advanced OptionsFact-Checked

Input Values

$

Current market price of the underlying stock.

$

The option's exercise price.

$

Current market price of the option per share.

Select call or put.

Results

Intrinsic Value
$0.00
Extrinsic (Time) Value
$0.00
Intrinsic as % of Premium0.00%
Moneyness Status0
In-the-Money Amount$0.00
Intrinsic Value (per contract)$0.00
Results update automatically as you change input values.

What Is Intrinsic Value in Options?

Intrinsic value is the portion of an option's premium that reflects its immediate exercise value. It is the amount by which an option is in-the-money (ITM). For a call option, intrinsic value equals the stock price minus the strike price when the stock trades above the strike. For a put option, it equals the strike price minus the stock price when the stock trades below the strike. If an option is at-the-money or out-of-the-money, its intrinsic value is zero.

Intrinsic value represents the minimum price at which an in-the-money option should trade, because it could be immediately exercised for that amount. Any premium above the intrinsic value is extrinsic (time) value, which reflects the time remaining until expiration and the probability of further favorable price movement. Understanding this decomposition is fundamental to evaluating whether an option is fairly priced.

Intrinsic Value Formulas

Call Intrinsic Value
Call Intrinsic = max(0, Stock Price - Strike Price)
Where:
Stock Price = Current market price of the underlying
Strike Price = The option exercise price
max(0, ...) = Intrinsic value cannot be negative
Put Intrinsic Value
Put Intrinsic = max(0, Strike Price - Stock Price)
Where:
Strike Price = The option exercise price
Stock Price = Current market price of the underlying
Extrinsic Value
Extrinsic Value = Option Market Price - Intrinsic Value
Where:
Extrinsic Value = Also called time value; always non-negative for American options

Intrinsic Value Example

Decomposing an ITM Call Option
Given
Stock Price
$108
Strike Price
$100
Option Market Price
$12.50 (call)
Days to Expiration
45
Calculation Steps
  1. 1Intrinsic value = max(0, $108 - $100) = $8.00
  2. 2Extrinsic value = $12.50 - $8.00 = $4.50
  3. 3Intrinsic as % of premium = $8.00 / $12.50 = 64%
  4. 4Per contract: Intrinsic = $800, Extrinsic = $450, Total = $1,250
  5. 5If held to expiration and stock stays at $108: option worth $8.00 (lose $4.50 time value)
  6. 6Breakeven: Stock must stay above $100 + $12.50 = $112.50 to profit
Result
This ITM call has $8.00 of intrinsic value and $4.50 of time value. 64% of the premium is 'real' (exercisable) value, while 36% is time value that will decay to zero by expiration.

Intrinsic Value by Moneyness

Call Option Intrinsic Value ($100 Strike)
Stock PriceMoneynessIntrinsic ValueIf Premium = $5.00, Time Value =
$85Deep OTM$0$5.00 (100% time value)
$95OTM$0$5.00 (100% time value)
$100ATM$0$5.00 (100% time value)
$105ITM$5.00$0 (all intrinsic at $5 premium)
$110ITM$10.00Premium must be > $10
$120Deep ITM$20.00Premium must be > $20

Why Intrinsic Value Matters for Traders

  • Floor price: Intrinsic value sets the minimum rational price for an ITM option. If an option trades below intrinsic value, arbitrageurs will buy it and exercise immediately for risk-free profit.
  • Time value assessment: By subtracting intrinsic value from the market price, you isolate the time premium you are paying. More time value means higher Theta decay.
  • Exercise decisions: When time value approaches zero (deep ITM near expiration), early exercise may be optimal, especially for calls on dividend-paying stocks.
  • Strategy selection: Traders who want to minimize time decay exposure buy deep ITM options (high intrinsic, low time value). Those who want maximum leverage buy ATM or OTM (100% time value).
  • Assignment risk: Options with high intrinsic value and low time value face higher early assignment risk, especially near ex-dividend dates.

Using Intrinsic Value in Decision-Making

1
Identify Moneyness
Determine if your option is ITM, ATM, or OTM. Only ITM options have intrinsic value. ATM and OTM options are 100% time value.
2
Calculate Time Value Ratio
Divide time value by total premium. Options with over 80% time value are at higher risk of expiring worthless. Options with less than 20% time value behave like the underlying stock.
3
Evaluate Daily Time Decay Cost
Divide time value by days remaining to estimate daily Theta cost. Compare this to expected daily price movement to determine if the option is worth holding.
4
Consider Early Exercise
For American-style ITM options near expiration with minimal time value remaining, exercising may be preferable to selling if the bid-ask spread is wide.
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Deep ITM Options as Stock Replacements

Deep ITM calls with Delta above 0.90 and less than 10% time value can serve as cost-effective stock replacements. You get nearly dollar-for-dollar stock exposure with a fraction of the capital, and the minimal time value means Theta drag is negligible. LEAPS (1-2 year options) are commonly used for this purpose.

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Intrinsic Value Cannot Be Negative

Intrinsic value is always zero or positive. An OTM option has zero intrinsic value but still has positive time value (as long as time remains). The option's market price can never fall below zero. This is why the max() function is used in the formula.

Frequently Asked Questions

At expiration, this is exactly what happens. An ITM option at expiration consists entirely of intrinsic value with zero time value. Before expiration, it is theoretically possible for a deep ITM European put option to trade at or slightly below intrinsic value because of the present value discount on the strike price. For American options, the possibility of early exercise generally prevents the option from trading below intrinsic value.

Sources & References

  • U.S. Securities and Exchange Commission (SEC) - Investor Education
  • Options Clearing Corporation (OCC) - Options Education
  • Chicago Board Options Exchange (CBOE) - Options Strategies
  • Hull, J.C. "Options, Futures, and Other Derivatives" (11th Edition, 2021)

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