UK Accounting Glossary
This is an option that can be exercised on any business day prior to it’s expiry date.
An American option is a version of an options contract that allows holders to exercise the option rights at any time before and including the day of expiration.
The majority of options that are trade on most stock exchanges are American options.
With an American option, the holder can wait for the most advantageous price to exercise the option. He can exercise the option on any of the trading days up to the expiration date. Due to greater flexibility, American options are more valuable than European-style options, which can only be exercised at maturity.
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This glossary post was last updated: 29th January 2019.