1 FIN 550 8-2 Short Paper_ Call Option Price

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Jun 3, 2024

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1 8-2 Short Paper: Call Option Price FIN550 Corporate Financial Management Southern New Hampshire University Dr. Russ Bellemare November 12, 2023 Effect of Stock Price on Call Option Price A call option gives the ability to purchase stock at a set price for a specific period of time, rather than the current stock price that changes daily. This fixed price is called the strike price, or exercise price. The put option gives the ability to sell stock at a set price for a specific period of time. (Ehrhardt & Brigham, 2019) The call option and put option price is made up of the intrinsic value and time value, and is calculated using the Black-Scholes or Binomial Pricing model. Call options affect stock price by letting certain people purchase the stock at a potentially lower rate than the current stock price. (Investopedia Team, 2023)
2 Effect of Time Expiration on Call Option Price Time expiration has an effect on the call price because if the expiration passes, the option to purchase at the set rate also passes. At that point the call option would be invalid and any stock purchase would be at the current stock price. Any new call option would need to be re-evaluated based on the current stock price, among other details. When a call option is less than the current stock price, it is considered “in-the-money,” however since stock prices are constantly changing, it can fall “out-of- the-money” quickly. When considering a call option, one must look at the current stock price, the history, and pay close attention to the expiration of the option as to not miss the deadline on a potential good investment. Additionally, time expiration can mean a timeframe to exercise and option or that an option can be exercised on a specific date. (Ehrhardt & Brigham, 2019) Effect of Risk-Free Rate on Call Option Price Interest rates have a profound effect on stock options, including call option pricing. A risk-free rate rising would increase the value of the call option, which would then attract investors. (Schneider & Helms, 2021) The main advantage of this would be that the investor would earn more interest income from the exercised option, as well as exercising the option for a price lower than the present value. (Seth, 2022) Effect of Standard Deviation of Stock Returns on Call Option Price The standard deviation of stock returns relates to the daily changes in stock price. The standard deviation of returns is necessary in order to correctly determine potential call option pricing and performance. This can be best determined by using historical data, however investors can forecast standard deviations as well. The importance of having an accurate standard deviation of return is so investors can make educated decisions on whether to exercise a call option or not. (Latané & Rendleman, 1976) Options with a potentially large change in stock price can mean a big payout if timed and priced correctly.
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