What does ITM, ATM, and OTM mean in options?

ITM (in the money) means the option has intrinsic value right now. ATM (at the money) means the strike price equals the stock price. OTM (out of the money) means the option has zero intrinsic value and needs the stock to move before it is worth anything.

Is a $110 put ITM or OTM when the stock is at $100?

ITM (in the money). For puts, the option is in the money when the stock is BELOW the strike. The stock at $100 is below the $110 strike, so the put has $10 of intrinsic value.

ITM, ATM, OTM — In the Money, At the Money, Out of the Money

Last time: You learned that premium is made of intrinsic value (real) and extrinsic value (hope). Now let's name the three zones every option lives in.

Three runners are at the start of a race. One has already crossed the starting line and is running. One has their toes right on the line, waiting for the signal. One is still in the parking lot, tying their shoes and buying a snack from the vending machine.

They are all in the same race. But their odds of finishing first are very different. And the cost of betting on each one reflects exactly that.

In the Money (ITM)

An option is in the money when it has intrinsic value right now.

For a call: the stock is above the strike price. Apple at $100, you own a $90 call. You could buy at $90 when the stock is worth $100. That $10 difference is real value. Your runner is already past the starting line.

For a put: the stock is below the strike. Apple at $100, you own a $110 put. You could sell at $110 when the stock is only worth $100. $10 of built-in value.

ITM options cost more because they already have real value baked in. But they also move more closely with the stock, which makes them more predictable.

At the Money (ATM)

An option is at the money when the strike price equals or is very close to the current stock price.

Apple at $100, the $100 call is at the money. Toes on the starting line. No intrinsic value yet, but the stock only has to move a tiny bit for the option to gain real value.

Remember the Tesla $100 put from the puts lesson? Tesla was at $100. That was an at-the-money put. Right on the line.

ATM options have the most extrinsic value of any option at the same expiration. Most to gain from a move, but also the most to lose from time decay.

Out of the Money (OTM)

An option is out of the money when it has zero intrinsic value.

For a call, the stock is below the strike. Apple at $100, the $110 call is OTM. The stock needs to climb past $110 before this contract has any real value. For a put, the stock is above the strike. The $90 put is OTM because Apple would have to fall below $90.

OTM options are the cheapest. Everything you pay is extrinsic value. Pure time and possibility.

I used to think OTM options were the bargain bin. Ten-dollar contracts that could turn into a thousand. Spent about six months and a lot of expired contracts learning that the bargain bin is a bargain for a reason. The market is not giving away free money. It is pricing in the odds, and the odds on most OTM options are not in the buyer's favor.

The House in Three Zones

The House Deal — All Three Zones
Premium: $2,000 · Strike: $100,000 · Expiration: 6 months
At $100,000 = ATM (on the line). Park announced, house at $130,000 = deep ITM ($30,000 intrinsic). Sinkhole, house at $70,000 = deep OTM (zero intrinsic, your $2,000 was all hope).

Calls and Puts Are Mirrors

For a $100 stock:

The $90 strike is ITM for a call (stock above strike) and OTM for a put (stock above strike, put needs it below).

The $100 strike is ATM for both calls and puts.

The $110 strike is OTM for a call (stock below strike) and ITM for a put (stock below strike, put already has value).

Same strikes. Opposite classifications. Once you see it as a mirror, it clicks.

Moneyness Is Not Fixed

An option does not stay in one zone forever. If Apple rallies from $100 to $115, our tracking trade (the $105 call) goes from out of the money to in the money. Finally out of the parking lot. Hope the snack was worth it.

If Apple drops to $90, the $100 call that was at the money is now out of the money. The runner got pushed back behind the starting line.

Our tracking trade at $105 with Apple at $100 is OTM. The entire $3.00 premium is extrinsic. If Apple does not get past $105, the intrinsic value never appears.

Key Takeaways

ITM = has intrinsic value. ATM = at the stock price. OTM = no intrinsic value.
Calls and puts are mirrors — a $90 strike is ITM for a call but OTM for a put
ATM options have the most extrinsic value (most opportunity, most decay)
Moneyness changes constantly as the stock moves — it is not fixed

Pop Quiz — Let's see if this stuck.

Apple is at $100. Is the $95 call ITM, ATM, or OTM?

ITM (in the money). The stock ($100) is above the strike ($95), so the call has $5 of intrinsic value.

The $110 put — is that ITM or OTM? (Careful, it's a put.)

ITM. For a put, the option is in the money when the stock is BELOW the strike. Stock at $100 is below the $110 strike, so the put has $10 of intrinsic value.

Bottom Line

Every option is either in the money (has intrinsic value), at the money (right at the stock price), or out of the money (no intrinsic value). ITM options cost more but move more reliably. ATM options are the middle ground. OTM options are cheap but need the stock to make a significant move. Know which zone you are in before you trade.

Next up: Reading Option Chains →

You know strike prices, expirations, premiums, and moneyness. Time to see them all in one place. The option chain is where every concept from the last four lessons comes together on a single screen.