Moneyness: ITM, ATM & OTM
Moneyness describes where an option’s strike sits relative to the current stock price. It is one of the first things to check on any option because it drives the cost, the behaviour and your odds of profit.
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The three states
In the money (ITM): the option has intrinsic value. A call is ITM when the stock is above the strike; a put is ITM when the stock is below the strike.
At the money (ATM): the strike is roughly equal to the stock price. ATM options carry the most time value and the highest gamma.
Out of the money (OTM): the option has no intrinsic value, only time value. It is cheaper, has a lower probability of paying off, and offers more leverage.
Why moneyness matters
OTM options are inexpensive lottery tickets with low odds; ITM options cost more but move more reliably with the stock because they have higher delta.
Premium sellers often sell OTM options for a high probability of profit, while directional buyers choose moneyness to balance cost against the chance of a payoff.
Delta as a shortcut
Delta is a quick proxy for moneyness and probability: a 0.50 delta is roughly at the money, above 0.50 is in the money, and below 0.50 is out of the money.
When picking a strike, traders often think in delta terms — for example selling a 0.30-delta option to target roughly a 70% chance it expires worthless.
- ITM has intrinsic value; ATM has the most time value; OTM has none.
- OTM options are cheap and low-probability; ITM are pricier but reliable.
- Delta is a fast proxy for moneyness and probability.
- Choose moneyness to balance cost against odds.
Frequently asked questions
Which moneyness is best to buy?
It depends on your goal: ITM for reliability and higher delta, ATM for balance, OTM for cheap, leveraged bets with lower odds.
Why are ATM options the most expensive in time value?
They have the greatest uncertainty about finishing in or out of the money, so the market prices in the most time value there.
Does moneyness change?
Constantly — as the stock moves, an option shifts between OTM, ATM and ITM, which changes its delta and behaviour.
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