Theta Decay Acceleration
Meaning ⎊ The non-linear speed increase in an option's value loss as the expiration date gets closer and closer.
Exercise Date
Meaning ⎊ The final date on which an option contract can be exercised before it expires.
Decay Rate
Meaning ⎊ The accelerating loss of an option's time value as it nears expiration, quantified by the Greek metric known as theta.
American Style Option
Meaning ⎊ An option contract that can be exercised at any time prior to expiration.



