In the Money Options Explained: ITM, ATM, and OTM Defined
May 9, 2026 · guides · 12 min read
title: "In the Money Options Explained: ITM, ATM, and OTM Defined" excerpt: "Learn what 'in the money' means for call and put options, how intrinsic value works, the difference between ITM and OTM for buyers and covered call writers, and why moneyness matters for every options decision." date: "2026-05-08" readingTime: "12 min" category: "guides" tags: ["in the money options", "options trading", "ITM options", "strike price", "intrinsic value", "options basics", "moneyness"] author: "Equity Rank"
Every options contract exists in one of three states relative to the current stock price: in the money, at the money, or out of the money. Traders call this relationship moneyness. Understanding moneyness is not optional — it determines an option's intrinsic value, its delta, its assignment risk, and how it behaves as expiration approaches. Before discussing strategy, Greeks, or pricing, you need to understand what it means for an option to be in the money.
What Does "In the Money" Mean?
An option is in the money (ITM) when exercising it immediately would produce a profit before accounting for the premium paid. More precisely, an option is ITM when it has intrinsic value — a positive difference between the stock price and the strike price, in the direction favorable to the option holder.
Intrinsic value is the real, exercise-based value of an option. It does not depend on time, implied volatility, or market sentiment. It is purely a function of where the stock trades versus where the contract allows you to transact shares.
The total premium of any option equals intrinsic value plus extrinsic value (also called time value). ITM options carry both. Out-of-the-money options carry only extrinsic value — their intrinsic value is zero.
Call Options: When Are They ITM?
A call option gives the holder the right to purchase shares at the strike price. A call is in the money when the stock price is above the strike price.
Example: A stock trades at $55. You hold a call option with a $50 strike price. Exercising that call lets you purchase shares at $50 — immediately $5 below the current market price. The intrinsic value is $5.00. This call is in the money.
The formula for call intrinsic value is straightforward:
Call Intrinsic Value = Stock Price - Strike Price (when positive; zero otherwise)
If the stock trades at $55 and the strike is $50, intrinsic value = $55 - $50 = $5.00.
If the stock trades at $48 and the strike is $50, intrinsic value = $0 (the result would be negative, which is not possible — the option simply has no intrinsic value in that case).
Put Options: When Are They ITM?
A put option gives the holder the right to sell shares at the strike price. A put is in the money when the stock price is below the strike price — the opposite relationship from calls.
Example: A stock trades at $45. You hold a put option with a $50 strike price. Exercising that put lets you sell shares at $50 — immediately $5 above the current market price. The intrinsic value is $5.00. This put is in the money.
The formula for put intrinsic value:
Put Intrinsic Value = Strike Price - Stock Price (when positive; zero otherwise)
If the stock trades at $45 and the strike is $50, intrinsic value = $50 - $45 = $5.00.
If the stock trades at $53 and the strike is $50, intrinsic value = $0.
At the Money and Out of the Money
Two other moneyness states complete the picture.
At the money (ATM) describes an option whose strike price is approximately equal to the current stock price. Intrinsic value is effectively zero. The entire premium consists of extrinsic value — the market's pricing of time remaining and implied volatility. In practice, a perfect ATM strike is rare. Traders use "at the money" loosely to describe the strike closest to the current price.
Out of the money (OTM) describes an option with no intrinsic value at all:
- A call is out of the money when the stock price is below the strike price. The holder would not exercise because doing so would mean paying above the market price for shares.
- A put is out of the money when the stock price is above the strike price. The holder would not exercise because doing so would mean selling below the market price.
OTM options consist entirely of extrinsic value. If the stock does not move enough before expiration, that extrinsic value erodes to zero and the contract expires worthless.
The Three Zones: ITM, ATM, OTM at a Glance
| State | Abbreviation | Call Option Condition | Put Option Condition | Intrinsic Value |
|---|---|---|---|---|
| In the money | ITM | Stock price > Strike price | Stock price < Strike price | Greater than zero |
| At the money | ATM | Stock price = Strike price | Stock price = Strike price | Approximately zero |
| Out of the money | OTM | Stock price < Strike price | Stock price > Strike price | Zero |
A single strike can be simultaneously ITM for calls and OTM for puts, or vice versa — the relationship always depends on the option type and where the stock trades.
Why ITM Options Cost More
ITM options are more expensive than OTM options at the same expiration because they carry intrinsic value in addition to extrinsic value. You are paying for something real — the built-in profit from the favorable strike — plus whatever the market charges for the remaining time and volatility exposure.
Consider two calls on a stock trading at $50, both expiring in 30 days:
- The $45 strike call is $7 ITM. Its premium might be $7.50 — $5.00 intrinsic plus $2.50 extrinsic.
- The $55 strike call is $5 OTM. Its premium might be $1.20 — all extrinsic, no intrinsic.
The OTM call is cheaper in dollar terms, but it requires the stock to rise before it gains any intrinsic value. The ITM call starts with a built-in head start. These are not equivalent bets — they reflect different probability distributions and risk profiles.
Deep ITM Options: Delta Near 1 and Stock-Like Behavior
As an option moves further in the money, its delta approaches 1.00 for calls (or -1.00 for puts). Delta measures how much the option's price is expected to change for each $1 move in the underlying stock.
A deep ITM call with a delta of 0.95 moves approximately $0.95 for every $1 the stock rises. At that point, the option behaves very similarly to holding the underlying shares — gains and losses track almost one-for-one.
This also means deep ITM options carry very little extrinsic value. Most of the premium is intrinsic. Theta (time decay) has minimal impact on intrinsic value, so deep ITM options lose relatively little to time decay compared to ATM options. The tradeoff is that they cost more upfront and offer less leverage.
Assignment Risk: ITM Options at Expiration
One practical consequence of being in the money is assignment risk. The Options Clearing Corporation (OCC) automatically exercises options that are in the money by at least $0.01 at expiration — a rule called automatic exercise.
For long ITM options, automatic exercise means shares are purchased (calls) or sold (puts) unless the holder submits a contrary instruction to their broker before the deadline.
For short (written) ITM options, assignment means the writer must fulfill the contract — delivering shares on a short call or purchasing shares on a short put — regardless of whether assignment was intended.
Traders holding short options positions should monitor moneyness closely as expiration approaches. An option that is only slightly ITM may still trigger automatic exercise and result in an unwanted stock position over the weekend.
ITM vs. OTM for Option Buyers: The Leverage Trade-Off
Buyers choosing between ITM and OTM options face a fundamental trade-off between intrinsic value and leverage.
ITM options for buyers:
- Higher upfront cost
- Contain intrinsic value from the moment of purchase
- Lower percentage gain per dollar move (because more capital is at risk)
- Higher probability of retaining value — the stock must move against you by more than the intrinsic value before the option loses all worth
- Behave more like the underlying stock
OTM options for buyers:
- Lower upfront cost
- Consist entirely of extrinsic value
- Higher potential percentage gain per dollar spent if the stock makes a large move
- Higher probability of expiring worthless — the stock must move through the strike before any intrinsic value is created
- More sensitive to time decay and implied volatility changes
Neither is categorically superior. The choice depends on the thesis, the time horizon, the expected magnitude of the move, and the implied volatility environment.
A useful reference point: an at-the-money option has approximately 0.50 delta, which corresponds roughly to a 50% probability of expiring in the money. OTM options have deltas below 0.50 and lower probabilities of finishing ITM. Deep ITM options have deltas near 1.00 and very high probabilities of expiring ITM.
ITM vs. OTM for Covered Call Writers
The moneyness choice looks different from the perspective of a covered call writer — someone who holds 100 shares and writes a call against that position.
Writing an ITM covered call means selecting a strike below the current stock price. The premium collected is larger because the option contains intrinsic value. This gives the writer more downside cushion — a bigger premium buffer against a declining stock price. However, the tradeoff is that the maximum gain is capped at a lower effective price. If the stock rises above the strike, shares are called away at the lower strike, and the writer misses any upside above that level.
Writing an OTM covered call means selecting a strike above the current stock price. The premium is smaller — only extrinsic value — but the writer retains more upside potential if the stock appreciates. There is less downside protection because the premium cushion is thinner.
ITM covered calls are often used when a writer wants meaningful income and is comfortable selling the position at the current level or slightly below it. OTM covered calls suit writers who want to remain long the stock with an income layer but prioritize capital appreciation over maximum premium.
Moneyness Is a Continuum, Not a Binary
It is tempting to treat ITM and OTM as two distinct categories, but moneyness is a spectrum. A call that is $0.10 in the money behaves very differently from a call that is $15 in the money — even though both are technically ITM.
The terms "slightly ITM," "moderately ITM," and "deep ITM" reflect meaningful differences in delta, extrinsic value, assignment probability, and leverage. Equally, a call that is $0.10 OTM is very different from one that is $20 OTM. Both have zero intrinsic value, but their probabilities of expiring in the money are vastly different.
Traders who develop intuition for where a strike falls on the moneyness continuum — not just whether it is technically ITM or OTM — make better decisions about premium, risk, and strategy selection.
How Equity Rank Displays Moneyness
Equity Rank's options analysis pages display moneyness clearly for every strike in the chain. The platform surfaces IV rank, delta, intrinsic value, and extrinsic value for each contract — so you can see at a glance how each option's moneyness relates to its pricing and probability profile.
For stocks where options data is available, Equity Rank also surfaces matching strategy frameworks based on the current options environment. Rather than requiring you to manually scan through chains, the platform organizes the data so the relationship between moneyness, premium, and strategy context is immediately visible.
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This article is for educational purposes only and does not constitute investment advice. Options trading involves substantial risk. Consult a qualified financial professional before making any trading decisions.