In finance, we often come across the term "expiration date." This refers to the date on which an option can be exercised. Options are financial instruments that give the holder the right, but not the obligation, to buy or sell an underlying asset at a predetermined price. However, there are specific options that can only be exercised on their expiration date, and this is what we will be discussing today. Let's delve into the details of these options and understand their importance in the world of finance.