Down-and-Out Option

Dictionary Says

Definition of 'Down-and-Out Option'

A type of knock-out barrier option that ceases to exist when the price of the underlying security hits a specific barrier price level. If the price of the underlying does not reach the barrier level, the investor has the right to exercise their European call or put option at the exercise price specified in the contract.
Investopedia Says

Investopedia explains 'Down-and-Out Option'

For example, a down-and-out option has a strike price of 100 and a knock-out price of 80. At the option's inception the price of the stock was 95 but before the option was exercisable the price of the stock hit 80, this means the option automatically expires worthless even if the underlying hits 100 before the exercise date.

Related Definitions

  • Barrier Option

    A type of option whose payoff depends on whether or not the underlying asset has reached or exceeded a predetermined price.
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  • Down-and-In Option

    A form of a knock-in option whose payoff is determined by the price of the underlying asset sinking to the barrier price level.
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  • European Option

    An option that can only be exercised at the end of its life, at its maturity. European options tend to sometimes trade at a discount to its comparable American option. This is because ...
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    • Knock-Out Option

      An option with a built in mechanism to expire worthless should a specified price level be exceeded. A knock option sets a floor or cap to the level which an option can reach in favor of ...
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    • Option

      A financial derivative that represents a contract sold by one party (option writer) to another party (option holder). The contract offers the buyer the right, but not the obligation, to ...
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    • Up-and-In Option

      An option that can only be exercised when the price of the underlying asset reaches a set barrier level. This is a type of a knock-in barrier option.
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    • Up-and-Out Option

      A type of option that ceases to exist when the price of its underlying asset has reached a pre-specified price level.
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    • Exotic Option

      An option that differs from common American or European options in terms of the underlying asset or the calculation of how or when the investor receives a certain payoff. These options ...
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