An option that may be exercised at any time up to and including the expiration date. Related: European option

An option that can be exercised at any time until its expiration date.Related Terms: Option European option 

An option which can be exercised at any time during the life of the contract, up to and including the expiry date. It contrasts with European options which can be exercised only on the expiry date. A variation is the 'semi-American', where options can be exercised on only a set number of dates before expiry.

Definition An option which can be exercised at any time between the purchase date and the expiration date. Most options in the U.S. are of this type. This is the opposite of a European-style option, w [..]

Related: European option. Options that are open for exercising up to expiration date and on expiration date also.

An option that can be exercised anytime during its life. American options allow option holders to exercise the option at any time prior to and including its maturity date, thus increasing the value of the option to the holder.

is a put option or call option that can be exercised at any time on or before its expiration date. 

An option that can be exercised at any time prior to the contract's expiration date.

An option which can be exercised at any time between the date of purchase and its expiry date. Compare with a European Option.

an option you can sell at any time before the expiry of the position. This is the most common form of stock options. Ask Price

An option that can be exercised at any time during the term of the option, up to and including the expiration date of the option. Amortising swap

An option that can be exercised on or any time before the dat e of expiry.

An option that can be exercised at any time prior to expiration.

(finance) an option that can be exercised at any date between the issue date and the expiry date.

An option that may be exercised at any time up to and including the expiration date. Related: European option