An option that may be exercised at any time, ahead of the expiration date. This differs from a European style option, which may only be exercised on its expiration date.
An option which may be declared on any day prior to expiration, with the underlying being transferred as a spot transaction for cash.
the option may be exercised at any time before maturity.
Gives the buyer the right to exercise the option at any time before its expiry.
An option contract that can be exercised on any business day before it expires. (see option below)
An option contract that can be exercised at any time between the date of purchase and the expiration date. Most exchange-traded options are American style.
An option where the holder has the right to exercise up to and including the expiry date. Contrast with a European style option, where the holder has the right to exercise the option on the expiry date only.