August 17, 2026
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The ratio of the dollar price change in the price of an option to a 1% change in the expected price volatility.

Knockin Option
An option that “comes to life” when a trigger event occurs. Typically when a price crosses a particular barrier it pulls the trigger.

Knockout Option
An option that “dies” when a trigger event occurs. Typically when a price crosses a particular barrier it pulls the trigger.

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