An investor bought a call carrying a fifty-dollar strike when the stock traded at forty-eight dollars. The stock now trades at seventy dollars and she exercises the contract. Leaving the premium she paid out of account, what does the exercise itself gain her per share?

Twenty dollars: she buys at the fifty-dollar strike the contract fixed, and the shares obtained are worth seventy.

Nothing: the exercise is settled at the seventy-dollar market price ruling on the day she chooses to exercise.

Twenty-two dollars: the gain runs from the forty-eight dollars at which the stock stood when she bought the call.

Two dollars: she buys at the fifty-dollar strike, and the gain is measured against the forty-eight dollars she bought at.

Two investors each hold one put on the same stock, both contracts carrying a fifty-dollar strike, and the puts stand six dollars in the money. One investor paid two dollars for her contract and the other paid seven. What intrinsic value does each contract carry?

Four dollars for the first holder and nothing for the second: each premium is recovered before intrinsic value accrues.

Six dollars each: intrinsic value is worked out from the strike and the market price, whatever price a holder paid.

Two dollars for the first holder and seven for the second: a contract's intrinsic value is what its holder paid for it.

Eight dollars for the first holder and thirteen for the second: the premium paid is added to the amount in the money.

Three calls on one stock all expire on the same date: one is deep in the money, one at the money and one deep out of the money. Which of them carries the greatest time value, and why?

The deep in-the-money call: its premium is the largest of the three, and time value is the larger part of it.

The deep out-of-the-money call: time value grows with the distance between the strike and the market price.

The at-the-money call: time value is at its greatest where the strike sits level with the market price.

All three alike: time value is set by the number of days left to expiration, which the three contracts share.

For most underlying securities the at-the-money series are the most actively traded of any moneyness category. What accounts for that?

They offer the most even balance between the benefit of a price move and the cost of time decay.

They carry the smallest premiums of any series, so a position taken in them ties up the least capital.

They are the only series a holder may close out in the market instead of exercising before expiration.

They are the series an exchange must keep listed continuously, whatever other series it offers on the class.

A call carrying a sixty-dollar strike trades at a premium of one dollar fifty while the stock stands at fifty-four dollars, so exercising it at once would gain the holder nothing. What is the buyer's one dollar fifty paying for?

The six-dollar gap between the stock and the strike, discounted for the time left to expiration.

Time value and nothing else: the chance that the stock passes sixty dollars before the contract expires.

A part payment of the sixty-dollar strike, credited against the purchase price if she exercises.

Interest on the sixty dollars she would pay on exercise, for the period the contract still has to run.

A stock that traded at thirty dollars when options on it were first listed has since risen to ninety-five dollars. What do the clearing corporation and the listing exchanges do about the strikes available in that class?

They restate the existing series at the new price level, every listed strike moving up as the stock moves up.

They leave the listed range as it was, new strikes being set only when a class is first opened for trading.

They add new strikes above the listed range as the stock rises, keeping series on either side of the current price.

They open a fresh class of options on the stock, the original class closing to new positions at its old strikes.

An options class on a heavily traded stock shows strikes closer together than the general spacing for its price level would give. How does that stand with the standardised intervals?

It is a feature of index options: closer increments are available on index classes, but not on classes over single stocks.

It is a listing error: the standardised increments bind every class alike, whatever the volume of trading done in it.

It is permitted only where the stock trades below twenty-five dollars, the narrowest increments being kept for low-priced shares.

It is provided for: exchanges may list two dollar fifty increments in highly active classes, and penny-programme classes one dollar intervals.

A company pays its usual quarterly cash dividend in March and, in June, a one-off cash dividend worth about fifteen percent of its share price. How does each payment affect the strike prices of listed options on the stock?

The quarterly dividend brings no adjustment; the one-off payment reduces the strikes by the amount of that dividend.

Both bring an adjustment, the strikes coming down by the amount of each dividend the company pays out.

Neither brings an adjustment, cash paid out being reflected in the premiums rather than in the terms of the contracts.

The quarterly dividend reduces the strikes on each ex-dividend date; the one-off payment is settled by the writers instead.

One investor buys a call and another buys a put, both on the same stock, both carrying a seventy-dollar strike, each paying a three-dollar premium. Where does each position break even at expiration?

Both at seventy dollars, the strike itself, each position turning profitable as soon as the contract comes into the money.

The call at seventy-three dollars and the put at sixty-seven: each premium is recovered in the direction the position profits.

The call at sixty-seven dollars and the put at seventy-three: the premium is recovered as the stock moves back toward the strike.

Both at seventy-three dollars, the premium being added to the strike whichever of the two contracts an investor has bought.

A stock trades at eighty-five dollars. An investor compares two puts on it with the same expiration, one struck at one hundred and twenty dollars and one struck at sixty. Which one's price responds almost dollar for dollar to a one-dollar move in the stock, and why?

Both alike, since delta measures the response to a one-dollar move and that response is the same for every put on the stock.

The sixty-dollar put, whose delta is close to minus one because the lower strike leaves the stock the most room to fall.

The hundred-and-twenty-dollar put, whose delta is close to minus one because its exercise is all but certain.

Neither: a put's delta sits close to minus one half wherever its strike stands, the half reflecting the two possible outcomes.

A company grants an employee a non-qualified stock option with an exercise price set at seventy percent of the fair market value of its stock on the grant date. What does IRC Section 409A make of that option?

A void grant: the exercise price has to be reset to fair market value before the option can be exercised at all.

An incentive option by default: the discount is treated as a grant made at fair market value for tax purposes.

A valid grant with no tax consequence until exercise, when the whole of the spread is taken into the employee's income.

Deferred compensation: the employee faces income inclusion straight away, and an additional tax of twenty percent on top of it.

Across the options industry and on the Series 7 examination, an option's strike price goes by a second name, the two terms being used interchangeably. Which name is it?

The breakeven price, the price at which the holder recovers the premium paid on exercising the contract.

The exercise price, the price at which the holder buys or sells the underlying on exercising the contract.

The settlement price, the price at which the clearing corporation marks the contract at each day's close.

The reference price, the price at which the underlying stood on the day the contract was first opened.

A stock trades at forty dollars. One investor buys one hundred shares for four thousand dollars; another buys one call contract over one hundred shares, struck at forty dollars, for a premium of two hundred dollars. At expiration the stock is at fifty dollars. How do the two results compare against what each investor put up?

The shares gain one thousand dollars, a quarter of the outlay; the call gains a quarter as well, fifty dollars, moving in step with the stock.

The shares gain one thousand dollars, a quarter of the outlay; the call nets eight hundred, a fifth of its outlay, taken as the strike value.

The shares gain one thousand dollars, a quarter of the outlay; the call nets eight hundred dollars, four times its cost.

The shares gain one thousand dollars, a quarter of the outlay; the call gains one thousand, five times its cost, the premium refunded on exercise.

A stock trades at sixty-three dollars. An investor holds two call contracts on it, each covering one hundred shares, one struck at fifty-two dollars and the other at eighty. What intrinsic value does each contract carry?

One thousand one hundred dollars for the fifty-two call and minus one thousand seven hundred for the eighty, that call standing so far out of the money.

Nothing for either: intrinsic value is realised only when a contract is exercised, and neither contract has been exercised yet.

Nothing for the fifty-two call and one thousand seven hundred dollars for the eighty, a call gaining as the stock stands below its strike.

One thousand one hundred dollars for the fifty-two call and nothing for the eighty call, intrinsic value never falling below zero.

Two months before expiration, a put stands four dollars in the money and trades at a premium of six dollars a share. At expiration it still stands four dollars in the money. What is one contract over one hundred shares worth then?

Four hundred dollars: its intrinsic value, the two dollars a share of time value having decayed to nothing.

Six hundred dollars: the premium is unchanged, as the put stands just as far in the money as it did before.

Two hundred dollars: the time value it carried two months earlier, the intrinsic value having been used up.

One thousand dollars: the four dollars of intrinsic value added to the six-dollar premium it traded at before.

An investor holds one put contract over one hundred shares, struck at forty dollars, while the stock trades at thirty-seven. The stock then falls to thirty-one dollars. What happens to the contract's intrinsic value?

It falls by three hundred dollars to nothing, the stock having moved six dollars further away from the strike.

It rises by six hundred dollars, from three hundred to nine hundred, a dollar a share for each dollar of the fall.

It rises by three hundred dollars, from three hundred to six hundred, half a dollar a share for each dollar of the fall.

It stays at three hundred dollars, intrinsic value being fixed at the amount by which the put first went into the money.

A stock trades at fifty dollars. Three calls on it share one expiration date, struck at forty, fifty and sixty dollars. Which carries the highest premium, and why?

The fifty-dollar call: a call struck level with the market carries the most time value, and so the most premium.

The sixty-dollar call: the higher strike leaves the holder more room for the stock to rise before expiration.

The forty-dollar call: it holds ten dollars a share of intrinsic value on top of the time value it carries.

None of them: calls sharing an expiration date carry one premium, the strike setting only the exercise terms.

A stock trades at ninety dollars. An investor holds one call contract over one hundred shares, struck at fifty dollars and expiring in three months. The stock falls by seven dollars in a day. About how much does the contract's value fall?

About three hundred and fifty dollars: a call's value moves about half a dollar for each dollar the stock moves.

Close to nothing: a call this deep in the money is cushioned by its forty dollars a share of intrinsic value.

About fourteen hundred dollars: a deep in-the-money call moves at twice the rate of the stock, its premium being leveraged.

About seven hundred dollars: a call this deep in the money moves almost dollar for dollar with the stock.

A stock trades at twenty dollars, and a call on it is struck at forty-five dollars with a month to run. What is the call's delta likely to be, and how does the call's price respond to a one-dollar move in the stock?

Close to zero: with the stock standing so far below the strike, the call's price barely responds to a one-dollar move in the stock.

Close to one: the further a call's strike stands above the market, the more its price moves for each dollar the stock moves.

Close to zero, but its price still moves a full dollar for each dollar the stock moves, delta measuring only the chance of exercise.

It has no delta: delta is measured only on options in the money, and a call out of the money has no price response to measure.

An investor holds one put contract over one hundred shares, struck at fifty dollars. At expiration the stock trades at sixty dollars. What does the investor do with the put, and why?

Exercises it to recover the premium paid, which the writer returns when a put is exercised out of the money.

Lets it expire unexercised: exercising would mean selling at fifty dollars shares that are worth sixty in the market.

Exercises it for a gain of one thousand dollars, the ten-dollar gap between stock and strike across a hundred shares.

Lets it expire, but receives its intrinsic value of one thousand dollars in cash from the clearing corporation.

A stock trades at thirty dollars. An investor compares two calls on it with one expiration: the thirty-dollar call at two dollars a share and the thirty-five-dollar call at sixty cents, each contract covering one hundred shares. What does the thirty-five-dollar call offer, and at what cost?

A smaller outlay, sixty dollars against two hundred, and a lower breakeven, the smaller premium being recovered sooner on a rise.

A smaller outlay, sixty dollars against two hundred, and a capped loss, whereas the thirty-dollar call can lose more than its premium.

A smaller outlay, sixty dollars against two hundred, but the stock must pass thirty-five sixty rather than thirty-two before it profits.

A larger potential loss, the whole thirty-five-dollar strike being at risk, against the two dollars at risk on the thirty-dollar call.

Some weeks after an investor buys a listed call struck at forty-five dollars, interest rates rise sharply and the stock's implied volatility doubles, though the share price ends the period where it began. Where does the call's strike now stand?

Higher than forty-five dollars: the strike of an outstanding call is raised as interest rates rise, to reflect the greater cost of carrying the shares until exercise.

Lower than forty-five dollars: a sharp rise in implied volatility brings a reset of outstanding strikes, so that each call's premium returns toward the level it traded at.

Higher than forty-five dollars: the strike moves up with implied volatility, a call on a more volatile stock being struck further from the market.

Still at forty-five dollars: once the contract is created, its strike is not altered by market developments such as these.

An investor holds one call contract over one hundred shares, struck at sixty dollars, while the stock trades at seventy-two, so the contract's intrinsic value is one thousand two hundred dollars. The stock then splits two-for-one, the contract is adjusted for the split, and the shares later rise to forty-three dollars. What intrinsic value does the contract then carry?

One thousand three hundred dollars: the strike is halved to thirty, but the contract still covers only the one hundred shares it was first written over.

Two thousand six hundred dollars: the contract now covers two hundred shares struck at thirty, thirteen dollars a share across two hundred.

Nothing: the strike stays at sixty, the split altering only the share count, so the stock at forty-three stands below it.

One thousand two hundred dollars: the split preserved the contract's value, which stays at its pre-split level whatever the stock does afterwards.

A company distributes additional shares to its holders as a stock dividend. How are the listed options on its stock treated?

They are left as they stand, the new shares being reflected in the premiums rather than in the contract terms.

Their strikes are cut by the market value of the new shares, each contract still covering one hundred shares.

They are adjusted in the same way as for a stock split, under the clearing corporation's procedures.

Their writers must deliver the new shares to the holders, the contract terms otherwise staying as written.

An investor plans to write one uncovered put contract over one hundred shares and is choosing between the sixty-dollar strike, at a premium of four dollars a share, and the fifty-five-dollar strike, at one dollar eighty. How does moving to the lower strike change the most she can lose?

It falls by five hundred dollars, from six thousand to five thousand five hundred, the premium playing no part in the most she can lose.

It falls by seven hundred and twenty dollars, from six thousand four hundred to five thousand six hundred and eighty, each strike plus its premium.

It does not change: a put writer's loss has no ceiling at either strike, the writer having to buy however far the stock falls.

It falls by two hundred and eighty dollars, from five thousand six hundred to five thousand three hundred and twenty, each strike less its premium.

An investor writes one uncovered call contract over one hundred shares, struck at eighty-five dollars, for a premium of three dollars twenty a share. The call is exercised at expiration and the writer's result on the contract is a loss of eighty dollars. Where did the stock close?

At eighty-nine dollars, eighty cents a share above the breakeven of eighty-eight dollars twenty.

At eighty-five dollars eighty, eighty cents a share above the eighty-five-dollar strike itself.

At eighty-seven dollars forty, eighty cents a share below the breakeven of eighty-eight dollars twenty.

At eighty-one dollars, eighty cents a share below a breakeven of eighty-one eighty, the strike less the premium.

An investor who expects a stock now at forty dollars to rise is choosing between a call struck at twenty-five dollars and a call struck at sixty, both with the same expiration. How does the choice of strike shape the position?

The sixty-dollar call gives little leverage, its small premium buying little exposure; the twenty-five-dollar call gives extreme leverage at a greater risk of expiring worthless.

The sixty-dollar call gives extreme leverage on a very large rise but will probably expire worthless; the twenty-five-dollar call gives less leverage and more certainty.

The sixty-dollar call gives extreme leverage and the likelier profit, its low cost being recovered on a small rise; the twenty-five-dollar call gives less of each.

The two give the same leverage and the same chance of profit, since a call's value tracks the stock in the same way whichever strike it carries.

A company's stock has a fair market value of fifty dollars on the grant date. It grants incentive stock options to two employees, one owning four percent of its voting stock and the other twelve percent. What is the lowest strike price each grant can carry and still qualify under IRC Section 422?

Fifty-five dollars for each of them, the floor for every incentive option being set ten percent above grant-date fair market value.

Fifty dollars for each of them, the floor at grant-date fair market value applying alike to every incentive option granted.

Fifty dollars for the four percent holder and fifty-five for the twelve percent holder, whose larger holding raises the floor.

Forty-five dollars for the four percent holder and fifty for the twelve percent holder, a ten percent discount being allowed.

A company grants an employee a non-qualified stock option with a strike price equal to the fair market value of its stock on the grant date. How does IRC Section 409A treat that option?

As deferred compensation: every non-qualified option is caught, whatever strike price it carries on the grant date.

As outside its deferred compensation treatment only once the option vests, being deferred compensation until then.

As outside its deferred compensation treatment only while the shares stay at or below the strike price until vesting.

As outside its deferred compensation treatment: a strike set at grant-date fair market value is not caught.

Strike Price | The Fixed Exercise Price of an Option

Strike Price: The Fixed Exercise Price That Determines Moneyness and Intrinsic Value

The strike price — also called the exercise price, the two terms being used interchangeably throughout the options industry and on the Series 7 examination — is the predetermined fixed price at which the holder of a call option has the right to purchase the underlying security, or the holder of a put option has the right to sell the underlying security, upon exercise of the contract.

It is the single most important contractual parameter of any options contract — more fundamental even than the premium, which fluctuates constantly with market conditions — because the strike price is fixed at the time the option contract is created and remains permanently unchanged throughout the life of the contract regardless of how the underlying security's price moves, how interest rates change, or how implied volatility fluctuates.

The relationship between the strike price and the current market price of the underlying security at any moment determines the option's moneyness — whether the option is in the money, at the money, or out of the money — which in turn determines whether the option has intrinsic value and how that intrinsic value is calculated. Every options calculation tested on the Series 7 examination — maximum gain, maximum loss, breakeven points, intrinsic value, and exercise decisions — derives directly from the relationship between the strike price and the underlying stock price.

The Strike Price as the Fixed Reference Point

The defining characteristic of the strike price is its permanence. Unlike the market price of the underlying security, which changes continuously with each trade, the strike price of an option contract is established at the contract's creation and cannot be altered by any subsequent market development short of specific corporate actions that trigger OCC adjustment procedures.

When an investor buys a call option with a fifty dollar strike price on a stock currently trading at forty-eight dollars, the strike price is fifty dollars today, fifty dollars when the stock rises to seventy dollars, fifty dollars when the stock falls to thirty dollars, and fifty dollars on the expiration date regardless of where the stock is then trading. The strike price is an immovable anchor — all analysis of the option's profitability, intrinsic value, and exercise decision is conducted relative to this fixed reference.

This permanence of the strike price while the underlying market price moves is the source of the option's leveraged risk-reward characteristics. A call option with a fifty dollar strike provides the holder with the economic benefit of any price appreciation above fifty dollars at a cost equal only to the premium paid — not the full purchase price of the stock. If the stock rises to seventy dollars, the call holder can exercise at fifty dollars and immediately benefit from the twenty dollar per share spread — a forty percent price movement in the stock produced a much larger percentage gain on the option premium, illustrating the leverage that the fixed strike price creates relative to owning the underlying stock outright.

Strike Price and Intrinsic Value — The Core Calculation

Intrinsic value is the immediate economic benefit that would be realised by exercising an option at the current moment — the amount by which the option is in the money. Intrinsic value can never be negative — an option that is out of the money has zero intrinsic value because the holder would simply not exercise in that situation. The calculation of intrinsic value directly uses the strike price as one of its two inputs.

For a call option, intrinsic value equals the current market price of the underlying security minus the strike price — but only when the result is positive. If the result is zero or negative, intrinsic value is zero.

Call intrinsic value equals the greater of zero or stock price minus strike price.

For a put option, intrinsic value equals the strike price minus the current market price of the underlying security — but only when the result is positive. If the result is zero or negative, intrinsic value is zero.

Put intrinsic value equals the greater of zero or strike price minus stock price.

Four worked examples make the calculation precise across all scenarios. First — a call option with a fifty dollar strike on a stock trading at sixty dollars has intrinsic value of ten dollars — sixty minus fifty equals ten. Second — a put option with a fifty dollar strike on a stock trading at sixty dollars has intrinsic value of zero — fifty minus sixty is negative ten, but intrinsic value cannot be negative. Third — a call option with a fifty dollar strike on a stock trading at forty dollars has intrinsic value of zero — forty minus fifty is negative ten, so intrinsic value is zero. Fourth — a put option with a fifty dollar strike on a stock trading at forty dollars has intrinsic value of ten dollars — fifty minus forty equals ten.

The total premium of an option equals its intrinsic value plus its time value — the time value representing the additional amount investors pay above intrinsic value for the possibility of further favourable price movement before expiration. As expiration approaches and time runs out, time value decays toward zero, and at expiration the premium equals only the intrinsic value — the option is worth exactly what it is in the money by, and nothing more.

Moneyness — The Three Classifications

Moneyness is the classification of an option's relationship to the current market price of the underlying security relative to its strike price. Understanding the three moneyness categories — in the money, at the money, and out of the money — and how they apply differently to calls and puts is among the most foundational and most consistently tested concepts in the entire options curriculum of the Series 7 examination.

In the Money

An option is in the money when it has positive intrinsic value — when exercising it immediately would produce an economic benefit.

A call option is in the money when the current stock price is above the call's strike price. The holder of a call with a fifty dollar strike can exercise to buy shares at fifty dollars when the stock is trading at sixty dollars — immediately realising the ten dollar per share spread. Every dollar by which the stock price exceeds the call's strike price adds one dollar of intrinsic value to the call.

A put option is in the money when the current stock price is below the put's strike price. The holder of a put with a fifty dollar strike can exercise to sell shares at fifty dollars when the stock is trading at forty dollars — immediately realising the ten dollar per share spread. Every dollar by which the stock price falls below the put's strike price adds one dollar of intrinsic value to the put.

In-the-money options carry higher premiums than at-the-money or out-of-the-money options because they contain intrinsic value in addition to time value. Deep in-the-money options — whose strike prices are far from the current stock price in the favourable direction — behave increasingly like the underlying stock itself because their delta approaches one for calls and negative one for puts.

At the Money

An option is at the money when its strike price equals or is approximately equal to the current market price of the underlying security. At-the-money options have zero intrinsic value — there is no immediate economic benefit from exercising because the exercise price equals the current market price — but they carry the maximum time value of any option at the same expiration. At-the-money options are the most sensitive to changes in the underlying stock price because they sit at the inflection point where any price movement immediately converts the option from out of the money to in the money or vice versa. Delta for at-the-money options is approximately zero point five for calls and negative zero point five for puts — reflecting the approximately equal probability of the option finishing in or out of the money at expiration.

At-the-money options are the most actively traded of any moneyness category for most underlying securities because they offer the most balanced exposure between the benefit of price movement and the cost of time decay, making them the default reference point for discussions of options pricing and volatility measurement.

Out of the Money

An option is out of the money when it has zero intrinsic value — exercising it immediately would produce no economic benefit because the strike price is unfavourable relative to the current market price.

A call option is out of the money when the current stock price is below the call's strike price. Exercising a call with a fifty dollar strike when the stock trades at forty dollars would require paying fifty dollars for a forty dollar stock — the holder would not exercise and the option has zero intrinsic value.

A put option is out of the money when the current stock price is above the put's strike price. Exercising a put with a fifty dollar strike when the stock trades at sixty dollars would require selling shares at fifty dollars when they are worth sixty — the holder would not exercise and the option has zero intrinsic value.

Out-of-the-money options carry only time value in their premiums — they are cheaper to purchase than in-the-money or at-the-money options but require more movement in the underlying to become profitable and have a higher probability of expiring worthless.

The Complete Moneyness Reference Table

The following relationships must be memorised precisely for the Series 7 examination.

For a call option — in the money when stock price is greater than strike price; at the money when stock price equals strike price; out of the money when stock price is less than strike price.

For a put option — in the money when stock price is less than strike price; at the money when stock price equals strike price; out of the money when stock price is greater than strike price.

The memory aid most commonly used — calls profit when the stock rises above the strike, puts profit when the stock falls below the strike — reflects the directional relationship precisely and should be the first analytical tool applied to any moneyness question on the examination.

Standardised Strike Price Intervals — OCC Listing Requirements

Exchange-listed equity options do not have arbitrary strike prices — the Options Clearing Corporation and the listing exchanges establish standardised strike price intervals that ensure coherent, liquid markets across a range of strike prices for each listed underlying security.

For stocks trading below twenty-five dollars, strike prices are typically listed in one dollar increments. For stocks trading between twenty-five and two hundred dollars, strike prices are typically listed in five dollar increments. For stocks trading above two hundred dollars, strike prices are typically listed in ten dollar increments.

Exchanges may also list options with two dollar and fifty cent strike increments for highly active options classes. The Penny Pilot Programme extended by the SEC allows certain high-volume options to trade with penny-wide bid-ask spreads and may feature one dollar strike intervals regardless of the underlying stock price.

New strike prices are added periodically as the underlying stock price moves — when a stock rises or falls sufficiently, the OCC and exchanges add new strike prices above or below the existing listed range to maintain coverage of the relevant moneyness spectrum around the current stock price.

The Strike Price and Corporate Action Adjustments

The OCC's standardised procedures govern adjustments to strike prices and contract multipliers when corporate actions affect the underlying security. The governing principle is that the economic value of every existing option contract must be preserved — no option holder should gain or lose economic value solely as a result of a corporate action in the underlying security.

Stock splits require strike price adjustments — in a two-for-one split, all existing option contracts are adjusted so that each contract now covers two hundred shares at one-half the original strike price. A call contract with a fifty dollar strike covering one hundred shares becomes a call contract with a twenty-five dollar strike covering two hundred shares — the total economic value of the contract is unchanged. Stock dividends are treated analogously.

Ordinary cash dividends do not trigger OCC adjustments — option premiums reflect the expected dividend through the options pricing model and the stock price declines on the ex-dividend date as expected. However special large cash dividends — typically representing more than ten percent of the underlying stock's value — do trigger OCC adjustments that reduce strike prices by the special dividend amount.

The Four Basic Positions — Strike Price in Profit and Loss Calculations

Every maximum gain, maximum loss, and breakeven calculation for a basic options position uses the strike price as its primary input. The following framework covers all four basic positions and must be mastered completely for the Series 7 examination.

For a long call — buying the right to purchase at the strike price — the breakeven at expiration equals the strike price plus the premium paid. Maximum gain is theoretically unlimited — any stock price above the upper breakeven produces profit growing dollar for dollar with the stock. Maximum loss equals the total premium paid — if the stock is below the strike at expiration the call expires worthless.

For a long put — buying the right to sell at the strike price — the breakeven at expiration equals the strike price minus the premium paid. Maximum gain equals the strike price minus the premium paid multiplied by one hundred — achieved if the stock falls to zero. Maximum loss equals the total premium paid — if the stock is above the strike at expiration the put expires worthless.

For a short call — the obligation to sell at the strike price if exercised — the breakeven equals the strike price plus the premium received. Maximum gain equals the premium received — if the stock is below the strike at expiration the call expires worthless and the writer retains the full premium. Maximum loss is theoretically unlimited — the writer must sell at the strike price regardless of how high the stock has risen.

For a short put — the obligation to buy at the strike price if exercised — the breakeven equals the strike price minus the premium received. Maximum gain equals the premium received — if the stock is above the strike at expiration the put expires worthless. Maximum loss equals the strike price minus the premium received multiplied by one hundred — achieved if the stock falls to zero and the writer must purchase worthless shares at the strike price.

The Strike Price and Delta

Delta — the option Greek measuring the sensitivity of the option price to a one dollar change in the underlying security price — is directly related to the option's moneyness and therefore to its strike price's relationship to the current stock price.

Deep in-the-money calls have delta approaching one — the option price moves approximately dollar for dollar with the stock because the option is almost certain to be exercised. Deep out-of-the-money calls have delta approaching zero — the option price barely responds to stock price movements because the probability of the option ever reaching the money is very low. At-the-money calls have delta of approximately zero point five — the option price moves approximately fifty cents for each one dollar move in the stock.

The strike price selection therefore determines the option's effective leverage — a deep in-the-money call with high delta provides less leverage but more certainty of profit from stock appreciation, while a deep out-of-the-money call with low delta provides extreme leverage on the rare occasions when the stock makes a very large move but has a high probability of expiring worthless.

The Strike Price in the Employee Compensation Context

In the employee stock option context — covered in the Stock Option entry of this dictionary — the strike price carries additional regulatory significance. Under IRC Section 422, an incentive stock option must be granted at a strike price at or above the fair market value of the company's stock on the grant date — at least one hundred and ten percent of fair market value for ten percent or greater shareholders. Under IRC Section 409A, a non-qualified stock option granted at a strike price below the fair market value on the grant date is treated as a deferred compensation arrangement subject to immediate income inclusion and a twenty percent additional tax penalty — creating a powerful regulatory incentive for companies to set option strike prices at or above fair market value at all times.

Examination Relevance and Key Takeaways

The strike price is tested on the Series 7 examination as the foundational reference point for every options concept — moneyness, intrinsic value, breakeven, maximum gain, and maximum loss all derive from the relationship between the strike price and the underlying stock price.

The key points to retain are these.

The strike price — also called the exercise price — is the predetermined fixed price at which a call option holder may buy or a put option holder may sell the underlying security upon exercise. It is established at the contract's creation and remains unchanged throughout the contract's life — it is the permanent fixed reference point against which all option analysis is conducted.

Call intrinsic value equals the greater of zero or stock price minus strike price — positive only when the stock price exceeds the strike. Put intrinsic value equals the greater of zero or strike price minus stock price — positive only when the strike price exceeds the stock price. Total premium equals intrinsic value plus time value — at expiration the premium equals only intrinsic value as time value has decayed to zero.

Moneyness for calls — in the money when stock price is above the strike; at the money when equal; out of the money when stock price is below the strike. Moneyness for puts — in the money when stock price is below the strike; at the money when equal; out of the money when stock price is above the strike. In-the-money options carry intrinsic value plus time value. At-the-money options carry maximum time value with zero intrinsic value. Out-of-the-money options carry only time value with zero intrinsic value and the highest probability of expiring worthless.

OCC standardised strike price intervals are one dollar increments for stocks below twenty-five dollars, five dollar increments for stocks between twenty-five and two hundred dollars, and ten dollar increments above two hundred dollars.

Corporate actions trigger OCC adjustments that preserve the economic value of existing option positions — a two-for-one stock split halves all strike prices and doubles the contract share count to two hundred shares.

Breakeven for a long call equals strike plus premium paid. Breakeven for a long put equals strike minus premium paid.

Breakeven for a short call equals strike plus premium received. Breakeven for a short put equals strike minus premium received. Delta for at-the-money options is approximately zero point five for calls and negative zero point five for puts — approaching one or negative one for deep in-the-money options and approaching zero for deep out-of-the-money options.