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Archaea and Bacteria dominate the upper 100 m of the open ocean while viruses dominate depths greater than 100 m.
Expiration Date
The date on which an option, future, or derivative contract becomes invalid and the right to exercise it ceases.
European Call Option
A type of call option that can only be exercised at its expiration date, not before, allowing the holder to buy the underlying asset at a predetermined price.
Underlying Asset
The financial instrument upon which a derivative's price is based, such as stocks, bonds, commodities, or currencies.
Exercise Price
The cost at which an option's possessor has the right to purchase (for a call option) or dispose of (for a put option) the base security or commodity.
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