1. The period of time between the opening and closing of some future markets wherein the prices are established through an auction process.

2. An option contract giving the owner the right (but not the obligation) to buy a specified amount of an underlying security at a specified price within a specified time.


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1. In some exchanges, the call period is an important time in which to match and execute a large number of orders before opening and closing.

2. A call becomes more valuable as the price of the underlying asset (stock) appreciates.

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  1. When does one sell a put option, and when does one sell a call option?

    The incorporation of options into all types of investment strategies has quickly grown in popularity among individual investors. ... Read Full Answer >>
  2. How do speculators profit from options?

    As a quick summary, options are financial derivatives that give their holders the right to buy or sell a specific asset by ... Read Full Answer >>
  3. How do hedge funds use equity options?

    With the growth in the size and number of hedge funds over the past decade, the interest in how these funds go about generating ... Read Full Answer >>
  4. Can mutual funds invest in options and futures?

    Mutual funds invest in not only stocks and fixed-income securities but also options and futures. There exists a separate ... Read Full Answer >>
  5. How does a forward contract differ from a call option?

    Forward contracts and call options are different financial instruments that allow two parties to purchase or sell assets ... Read Full Answer >>
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