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Okoora infrastructure Glossary

Understand core FX, risk, and execution concepts used across Okoora’s infrastructure.

Call Option

What Is a Call Option?

A call option is a type of financial derivative that grants the holder the right, but not the obligation, to purchase a specific asset at a predetermined price, known as the strike price, within a specified time period. It is commonly used for hedging or speculation, allowing profit from upward price movements while capping potential loss to the premium paid.

How a Call Option Works

When an investor buys a call option, they are betting that the price of the underlying asset will rise above the strike price before expiration. If it does, they can exercise the option and buy the asset at the lower strike price, realizing a profit. If not, they may let the option expire, losing only the premium.

Call Option Examples

Consider a company that expects to pay euros in three months. To hedge against potential appreciation in EUR/USD, it buys a call option with a strike price of 1.10. If the market rate rises to 1.15, the company exercises the option, buying euros at 1.10. If the rate stays below 1.10, it lets the option expire, limiting the loss to the premium paid.

Key Concepts & Components

  • Strike Price: The fixed price at which the asset can be bought.
  • Option Premium: The cost paid to acquire the option.
  • Expiration Date: The last date the option can be exercised.
  • Intrinsic Value: The in-the-money value; difference between the market price and strike price when favorable.
  • Time Value: Extra value based on the probability of profit before expiration; decreases as expiration nears.
  • In-the-Money: When the market price is above the strike price.
  • Out-of-the-Money: When the market price is below the strike price.
  • American vs. European Options: American options can be exercised anytime before expiration; European options only on expiration.

When Call Options Are Used

Call options are used by investors and companies to gain exposure to price increases without committing large amounts of capital. Common use cases include:

  • Speculating on asset appreciation (stocks, commodities, currencies)
  • Hedging future purchases (e.g., importers managing currency risk)
  • Implementing structured strategies (e.g., covered calls, collars)

Related Terms

  • Put Option
  • Option Premium
  • Strike Price
  • Expiration Date
  • Covered Call
  • Naked Call
  • The Greeks (Delta, Gamma, Theta, Vega)
  • Options Trading
  • Intrinsic Value
  • Time Value

References

Cash Flow HedgeCovered Interest ArbitrageCommodity RiskCurrency Options